Improve fork error message

Improved the error message when forking a project.

Changelog: changed

app/assets/javascripts/pages/projects/forks/new/components/fork_form.vue

@@ -222,7 +222,11 @@ export default {
         redirectTo(data.web_url);
         return;
       } catch (error) {
-        createFlash({ message: error });
+        createFlash({
+          message: s__(
+            'ForkProject|An error occurred while forking the project. Please try again.',
+          ),
+        });
       }
     },
   },

locale/gitlab.pot

@@ -14332,6 +14332,9 @@ msgstr ""
 msgid "ForkProject|A fork is a copy of a project."
 msgstr ""
 
+msgid "ForkProject|An error occurred while forking the project. Please try again."
+msgstr ""
+
 msgid "ForkProject|Cancel"
 msgstr ""
 

spec/frontend/pages/projects/forks/new/components/fork_form_spec.js

@@ -356,7 +356,7 @@ describe('ForkForm component', () => {
 
         expect(urlUtility.redirectTo).not.toHaveBeenCalled();
         expect(createFlash).toHaveBeenCalledWith({
-          message: dummyError,
+          message: 'An error occurred while forking the project. Please try again.',
         });
       });
     });