Fix app-routing

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

@@ -14,10 +14,10 @@
       </mat-card-content>
       <mat-divider></mat-divider>
       <mat-card-actions>
-        <button mat-icon-button color="primary" matTooltip="Ask something">
+        <button mat-icon-button color="primary" matTooltip="Create comment" routerLink="/participant/room/{{ room.id }}/create-comment">
           <mat-icon>question_answer</mat-icon>
         </button>
-        <button mat-icon-button color="primary" matTooltip="Give feedback" routerLink="/participant/room/{{roomId}}/create-comment">
+        <button mat-icon-button color="primary" matTooltip="Give feedback">
           <mat-icon>feedback</mat-icon>
         </button>
         <button mat-button color="primary" matTooltip="Join question round">