Fix participants comment route

src/app/components/participant/room-participant-page/room-participant-page.component.html

@@ -24,7 +24,7 @@
       <mat-grid-list cols="3" rowHeight="2:1">
         <mat-grid-tile>
           <button mat-icon-button color="primary" matTooltip="{{ 'room-page.create-comment' | translate}}"
-                  routerLink="/participant/room/{{ room.id }}/comments">
+                  routerLink="/participant/room/{{ room.shortId }}/comments">
             <mat-icon>question_answer</mat-icon>
           </button>
         </mat-grid-tile>