Fix: optimize file batch delete (#14473)

### What problem does this PR solve?

optimize file batch delete

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

test/testcases/test_http_api/test_file_app/test_file_routes.py

@@ -258,7 +258,7 @@ def test_delete_files_checks_team_permission(monkeypatch):
 
     ok, message = _run(module.delete_files("tenant1", ["file1"]))
     assert ok is False
-    assert message == "No authorization."
+    assert message == {"success_count": 0, "errors": ["No authorization for file file1"]}
 
 
 @pytest.mark.p2

test/testcases/test_web_api/test_file_app/test_file_routes_unit.py

@@ -158,6 +158,7 @@ def _load_file_api_module(monkeypatch):
     api_utils_mod.get_error_argument_result = lambda message: {"code": 400, "data": None, "message": message}
     api_utils_mod.get_error_data_result = lambda message: {"code": 500, "data": None, "message": message}
     api_utils_mod.get_result = lambda data=None: {"code": 0, "data": data, "message": ""}
+    api_utils_mod.get_json_result = lambda code=0, message="success", data=None: {"code": code, "data": data, "message": message}
     monkeypatch.setitem(sys.modules, "api.utils.api_utils", api_utils_mod)
 
     validation_mod = ModuleType("api.utils.validation_utils")
@@ -338,4 +339,3 @@ def test_parent_and_ancestors_use_new_routes(monkeypatch):
     assert ancestors_res["code"] == 0
     assert ancestors_res["data"]["parent_folders"][0]["id"] == "root"
 
-