Show correct hint if no questions exist

src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.html

 <div fxLayout="row"
+     *ngIf="comments.length > 0"
      [ngClass]="{'search-container' : !scroll, 'search-container-fixed' : scroll}"
-     *ngIf="comments.length > 1"
      (window:scroll)="checkScroll()"
      fxLayoutAlign="center">
   <mat-label *ngIf="deviceType === 'desktop'"
@@ -127,7 +127,7 @@
   </app-comment>
 </div>
 
-<div *ngIf="comments && commentsFilteredByTime.length < 1 && period === 'time-all' && !isLoading"
+<div *ngIf="comments && (commentsFilteredByTime.length < 1 && period === 'time-all' || comments.length === 0) && !isLoading"
      fxLayout="row"
      fxLayoutAlign="center center"
      class="no-comments">
@@ -136,7 +136,7 @@
 </div>
 
 <div *ngIf="(filteredComments && filteredComments.length === 0 && hideCommentsList)
-            || (comments && commentsFilteredByTime.length === 0 && period !== 'time-all') && !isLoading"
+            || (comments && commentsFilteredByTime.length === 0 && period !== 'time-all') && !isLoading && comments.length > 0"
      fxLayout="row"
      fxLayoutAlign="center center"
      class="no-comments">

src/app/components/shared/comment-list/comment-list.component.html

 <div fxLayout="row"
+     *ngIf="comments.length > 0"
      [ngClass]="{'search-container' : !scroll, 'search-container-fixed' : scroll}"
-     *ngIf="comments.length > 1"
      (window:scroll)="checkScroll()"
      fxLayoutAlign="center">
   <button id="filter-close-button"
@@ -227,7 +227,7 @@
 
 </div>
 <!-- No Questions Present -->
-<div *ngIf="comments && commentsFilteredByTime.length < 1 && period === 'time-all' && !isLoading"
+<div *ngIf="comments && (commentsFilteredByTime.length < 1 && period === 'time-all' || comments.length === 0) && !isLoading"
      fxLayout="row"
      fxLayoutAlign="center center"
      class="no-comments">
@@ -235,7 +235,7 @@
 </div>
 
 <div *ngIf="(filteredComments && filteredComments.length === 0 && hideCommentsList)
-            || (comments && commentsFilteredByTime.length === 0 && period !== 'time-all') && !isLoading"
+            || (comments && commentsFilteredByTime.length === 0 && period !== 'time-all') && !isLoading && comments.length > 0"
      fxLayout="row"
      fxLayoutAlign="center center"
      class="no-comments">