activity: Automatically enter newly created folders.

If a new folder is successfully created, we enter it by passing the remote path returned by the remote operation to getListOfFilesFragment().onItemClicked()

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

@@ -2106,7 +2106,7 @@ public class FileDisplayActivity extends HookActivity
     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
                                                RemoteOperationResult result) {
         if (result.isSuccess()) {
-            refreshListOfFilesFragment(false);
+            getListOfFilesFragment().onItemClicked(getStorageManager().getFileByPath(operation.getRemotePath()));
         } else {
             try {
                 if (ResultCode.FOLDER_ALREADY_EXISTS == result.getCode()) {