Changed the delay to execute the runnable in startSyncFolderOperation, adding 350 ms.

src/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -1638,7 +1638,7 @@ public class FileDisplayActivity extends HookActivity
                         // another window floating over
                     }
                 },
-                DELAY_TO_REQUEST_OPERATIONS_LATER
+                DELAY_TO_REQUEST_OPERATIONS_LATER + 350
         );
 
     }