chore: format all frontend files (#430)

frontend/packages/workflow/playground/src/nodes-v2/variable-assign/form-meta.tsx

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 import React from 'react';
 
 import { get, isNil } from 'lodash-es';

frontend/packages/workflow/playground/src/nodes-v2/variable-assign/index.ts

@@ -13,5 +13,5 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 export { VARIABLE_ASSIGN_NODE_REGISTRY } from './node-registry';

frontend/packages/workflow/playground/src/nodes-v2/variable-assign/node-registry.ts

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 import { DEFAULT_NODE_META_PATH } from '@coze-workflow/nodes';
 import {
   StandardNodeType,

frontend/packages/workflow/playground/src/nodes-v2/variable-assign/node-test.ts

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 import { FlowNodeFormData } from '@flowgram-adapter/free-layout-editor';
 
 import {