show call controls in videocall when entering call or when come back from pip mode

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/controllers/CallController.java

@@ -522,6 +522,8 @@ public class CallController extends BaseController {
             }
         });
 
+        animateCallControls(true, 0);
+
         initGridAdapter();
     }