diff --git a/src/app/components/shared/header/header.component.ts b/src/app/components/shared/header/header.component.ts
index f30c141d379a19f8aff80a1b65fc30d54732e17f..00abbe32e89cd8277f576ff3deefbd170e1d0f08 100644
--- a/src/app/components/shared/header/header.component.ts
+++ b/src/app/components/shared/header/header.component.ts
@@ -1,27 +1,27 @@
-import {Component, OnInit, Renderer2} from '@angular/core';
-import {AuthenticationService} from '../../../services/http/authentication.service';
-import {NotificationService} from '../../../services/util/notification.service';
-import {Router, NavigationEnd} from '@angular/router';
-import {User} from '../../../models/user';
-import {UserRole} from '../../../models/user-roles.enum';
-import {Location} from '@angular/common';
-import {TranslateService} from '@ngx-translate/core';
-import {MatDialog, MatDialogRef} from '@angular/material/dialog';
-import {LoginComponent} from '../login/login.component';
-import {DeleteAccountComponent} from '../_dialogs/delete-account/delete-account.component';
-import {UserService} from '../../../services/http/user.service';
-import {EventService} from '../../../services/util/event.service';
-import {AppComponent} from '../../../app.component';
-import {Rescale} from '../../../models/rescale';
-import {KeyboardUtils} from '../../../utils/keyboard';
-import {KeyboardKey} from '../../../utils/keyboard/keys';
-import {UserBonusTokenComponent} from '../../participant/_dialogs/user-bonus-token/user-bonus-token.component';
-import {RemindOfTokensComponent} from '../../participant/_dialogs/remind-of-tokens/remind-of-tokens.component';
-import {QrCodeDialogComponent} from '../_dialogs/qr-code-dialog/qr-code-dialog.component';
-import {BonusTokenService} from '../../../services/http/bonus-token.service';
-import {MotdService} from '../../../services/http/motd.service';
-import {TopicCloudFilterComponent} from '../_dialogs/topic-cloud-filter/topic-cloud-filter.component';
-import {TagCloudHeaderDataOverview} from '../tag-cloud/tag-cloud.interface';
+import { Component, OnInit, Renderer2 } from '@angular/core';
+import { AuthenticationService } from '../../../services/http/authentication.service';
+import { NotificationService } from '../../../services/util/notification.service';
+import { Router, NavigationEnd } from '@angular/router';
+import { User } from '../../../models/user';
+import { UserRole } from '../../../models/user-roles.enum';
+import { Location } from '@angular/common';
+import { TranslateService } from '@ngx-translate/core';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
+import { LoginComponent } from '../login/login.component';
+import { DeleteAccountComponent } from '../_dialogs/delete-account/delete-account.component';
+import { UserService } from '../../../services/http/user.service';
+import { EventService } from '../../../services/util/event.service';
+import { AppComponent } from '../../../app.component';
+import { Rescale } from '../../../models/rescale';
+import { KeyboardUtils } from '../../../utils/keyboard';
+import { KeyboardKey } from '../../../utils/keyboard/keys';
+import { UserBonusTokenComponent } from '../../participant/_dialogs/user-bonus-token/user-bonus-token.component';
+import { RemindOfTokensComponent } from '../../participant/_dialogs/remind-of-tokens/remind-of-tokens.component';
+import { QrCodeDialogComponent } from '../_dialogs/qr-code-dialog/qr-code-dialog.component';
+import { BonusTokenService } from '../../../services/http/bonus-token.service';
+import { MotdService } from '../../../services/http/motd.service';
+import { TopicCloudFilterComponent } from '../_dialogs/topic-cloud-filter/topic-cloud-filter.component';
+import { TagCloudHeaderDataOverview } from '../tag-cloud/tag-cloud.interface';
 
 @Component({
   selector: 'app-header',
diff --git a/src/app/components/shared/tag-cloud/tag-cloud.component.ts b/src/app/components/shared/tag-cloud/tag-cloud.component.ts
index 6fb4a24d312e09719db0918a6dae8eda9771044a..7465af5823637b74e26ce8cef5e5fa182adb25f1 100644
--- a/src/app/components/shared/tag-cloud/tag-cloud.component.ts
+++ b/src/app/components/shared/tag-cloud/tag-cloud.component.ts
@@ -1,4 +1,4 @@
-import {Component, OnInit, ViewChild, Input, AfterViewInit, OnDestroy} from '@angular/core';
+import { Component, OnInit, ViewChild, Input, AfterViewInit, OnDestroy } from '@angular/core';
 
 import {
   CloudData,
@@ -7,24 +7,24 @@ import {
   ZoomOnHoverOptions,
   TagCloudComponent as TCloudComponent
 } from 'angular-tag-cloud-module';
-import {CommentService} from '../../../services/http/comment.service';
-import {Result, SpacyService} from '../../../services/http/spacy.service';
-import {Comment} from '../../../models/comment';
-import {LanguageService} from '../../../services/util/language.service';
-import {TranslateService} from '@ngx-translate/core';
-import {CreateCommentComponent} from '../_dialogs/create-comment/create-comment.component';
-import {MatDialog} from '@angular/material/dialog';
-import {User} from '../../../models/user';
-import {Room} from '../../../models/room';
-import {NotificationService} from '../../../services/util/notification.service';
-import {EventService} from '../../../services/util/event.service';
-import {AuthenticationService} from '../../../services/http/authentication.service';
-import {ActivatedRoute} from '@angular/router';
-import {UserRole} from '../../../models/user-roles.enum';
-import {RoomService} from '../../../services/http/room.service';
-import {ThemeService} from '../../../../theme/theme.service';
-import {CloudParameters, CloudWeightColor, CloudWeightCount, TagCloudHeaderDataOverview} from './tag-cloud.interface';
-import {TopicCloudAdministrationComponent} from '../_dialogs/topic-cloud-administration/topic-cloud-administration.component';
+import { CommentService } from '../../../services/http/comment.service';
+import { Result, SpacyService } from '../../../services/http/spacy.service';
+import { Comment } from '../../../models/comment';
+import { LanguageService } from '../../../services/util/language.service';
+import { TranslateService } from '@ngx-translate/core';
+import { CreateCommentComponent } from '../_dialogs/create-comment/create-comment.component';
+import { MatDialog } from '@angular/material/dialog';
+import { User } from '../../../models/user';
+import { Room } from '../../../models/room';
+import { NotificationService } from '../../../services/util/notification.service';
+import { EventService } from '../../../services/util/event.service';
+import { AuthenticationService } from '../../../services/http/authentication.service';
+import { ActivatedRoute } from '@angular/router';
+import { UserRole } from '../../../models/user-roles.enum';
+import { RoomService } from '../../../services/http/room.service';
+import { ThemeService } from '../../../../theme/theme.service';
+import { CloudParameters, CloudWeightColor, CloudWeightCount, TagCloudHeaderDataOverview } from './tag-cloud.interface';
+import { TopicCloudAdministrationComponent } from '../_dialogs/topic-cloud-administration/topic-cloud-administration.component';
 import { WsCommentServiceService } from '../../../services/websockets/ws-comment-service.service';
 
 class CustomPosition implements Position {