Send changes again

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

@@ -13,7 +13,6 @@
         </p>
       </mat-card-content>
       <mat-divider></mat-divider>
-      
       <mat-grid-list cols="2" rowHeight="2:1">
         <mat-grid-tile>
           <button mat-icon-button color="primary" matTooltip="Create comment"