browse up if parent deleted instead all the time root

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.kt

@@ -1576,6 +1576,7 @@ class FileDisplayActivity :
             it.parentFolderFinder.getParentOnFirstParentRemoved(syncFolderRemotePath, storageManager)?.let { target ->
                 it.listDirectory(target, MainApp.isOnlyOnDevice())
                 updateActionBarTitleAndHomeButton(target)
+                file = target
             }
         }
     }