<div*ngIf="comment.createdFromLecturer !== false"mat-card-avatarclass="proffesor-icon"matTooltip="created from lecturer"><mat-icon>record_voice_over</mat-icon></div>
<buttonmat-icon-button*ngIf="comment.favorite || !isStudent"[disabled]="isStudent"(click)="setFavorite(comment)"[matTooltip]="comment.favorite ? 'Mark as not favorite' : 'Mark as favorite'">
<buttonmat-icon-button*ngIf="comment.favorite || !isStudent"[disabled]="isStudent"(click)="setFavorite(comment)"[matTooltip]="comment.favorite ? 'Mark as not favorite' : 'Mark as favorite'">