Update NCViewerProviderContextMenu.swift

iOSClient/Viewer/NCViewerProviderContextMenu.swift

@@ -303,6 +303,8 @@ extension NCViewerProviderContextMenu: VLCMediaPlayerDelegate {
             print("Played mode: ERROR")
             break
         case .playing:
+            imageView.image = nil
+            imageView.frame = resize(player.videoSize)
             NCActivityIndicator.shared.stop()
             print("Played mode: PLAYING")
             break