[Fix-17984][UI] Release workflow definition list loading lock on request failure (#17989)

Author: asadjan4611

dolphinscheduler-ui/src/locales/en_US/project.ts

@@ -242,6 +242,7 @@ export default {
       'The downstream dependent tasks exists. You can not delete the task.',
     warning_delete_scheduler_dependent_tasks_desc:
       'The downstream dependent tasks exists. Are you sure to delete the scheduler?',
+    request_failed: 'Request failed, please retry',
     warning_too_large_parallelism_number:
       'The parallelism number is too large. It is better not to be over 10.'
   },

dolphinscheduler-ui/src/locales/zh_CN/project.ts

@@ -239,6 +239,7 @@ export default {
       '下游存在依赖，你不能删除该任务.',
     warning_delete_scheduler_dependent_tasks_desc:
       '下游存在依赖, 删除定时可能会对下游任务产生影响. 你确定要删除该定时嘛?',
+    request_failed: '请求失败，请重试',
     warning_too_large_parallelism_number: '并行度设置太大了, 最好不要超过10.'
   },
   task: {

dolphinscheduler-ui/src/views/projects/workflow/definition/use-table.ts

@@ -506,17 +506,28 @@ export function useTable() {
   const getTableData = (params: IDefinitionParam) => {
     if (variables.loadingRef) return
     variables.loadingRef = true
-    const { state } = useAsyncState(
-      queryListPaging({ ...params }, variables.projectCode).then((res: any) => {
+    // Always release loading lock, even when request fails.
+    const queryStatePromise = queryListPaging(
+      { ...params },
+      variables.projectCode
+    )
+      .then((res: any) => {
         variables.totalCount = res.total
         variables.totalPage = res.totalPage
         variables.tableData = res.totalList.map((item: any) => {
           return { ...item }
         })
+      })
+      .catch((err: Error) => {
+        window.$message.error(
+          err?.message || t('project.workflow.request_failed')
+        )
+      })
+      .finally(() => {
         variables.loadingRef = false
-      }),
-      { total: 0, table: [] }
-    )
+      })
+
+    const { state } = useAsyncState(queryStatePromise, { total: 0, table: [] })
     return state
   }