refactor: reduce subscriptions

src/app/player/components/video-player/toolbar/toolbar.component.html

@@ -22,20 +22,20 @@
     </button>
     {{ activeChannel?.name }}
     <div class="spacer"></div>
-    <button
-        *ngIf="isEpgAvailable$ | async"
-        mat-icon-button
-        (click)="multiEpgClicked.emit()"
-        [matTooltip]="'TOP_MENU.OPEN_MULTI_EPG' | translate"
-    >
-        <mat-icon>view_list</mat-icon>
-    </button>
-    <button
-        *ngIf="isEpgAvailable$ | async"
-        mat-button
-        (click)="toggleRightDrawerClicked.emit()"
-        [matTooltip]="'TOP_MENU.OPEN_EPG_LIST' | translate"
-    >
-        EPG
-    </button>
+    <ng-container *ngIf="isEpgAvailable$ | async">
+        <button
+            mat-icon-button
+            (click)="multiEpgClicked.emit()"
+            [matTooltip]="'TOP_MENU.OPEN_MULTI_EPG' | translate"
+        >
+            <mat-icon>view_list</mat-icon>
+        </button>
+        <button
+            mat-button
+            (click)="toggleRightDrawerClicked.emit()"
+            [matTooltip]="'TOP_MENU.OPEN_EPG_LIST' | translate"
+        >
+            EPG
+        </button>
+    </ng-container>
 </mat-toolbar>