Move mock data from `spec` to `app` directory

We shouldn't import spec data into application code.

app/assets/javascripts/organizations/groups_and_projects/graphql/resolvers.js

-import {
-  organization,
-  organizationProjects,
-  organizationGroups,
-} from 'jest/organizations/groups_and_projects/mock_data';
+import { organization, organizationProjects, organizationGroups } from '../../mock_data';
 
 export default {
   Query: {

spec/frontend/organizations/groups_and_projects/mock_data.js → app/assets/javascripts/organizations/mock_data.js

+/* eslint-disable @gitlab/require-i18n-strings */
+
+// This is temporary mock data that will be removed when completing the following:
+// https://gitlab.com/gitlab-org/gitlab/-/issues/420777
+// https://gitlab.com/gitlab-org/gitlab/-/issues/421441
+
 export const organization = {
   id: 'gid://gitlab/Organization/1',
   __typename: 'Organization',

spec/frontend/organizations/groups_and_projects/components/groups_page_spec.js

@@ -9,7 +9,7 @@ import { createAlert } from '~/alert';
 import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
 import createMockApollo from 'helpers/mock_apollo_helper';
 import waitForPromises from 'helpers/wait_for_promises';
-import { organizationGroups } from '../mock_data';
+import { organizationGroups } from '~/organizations/mock_data';
 
 jest.mock('~/alert');
 

spec/frontend/organizations/groups_and_projects/components/projects_page_spec.js

@@ -9,7 +9,7 @@ import { createAlert } from '~/alert';
 import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
 import createMockApollo from 'helpers/mock_apollo_helper';
 import waitForPromises from 'helpers/wait_for_promises';
-import { organizationProjects } from '../mock_data';
+import { organizationProjects } from '~/organizations/mock_data';
 
 jest.mock('~/alert');
 

spec/frontend/organizations/groups_and_projects/utils_spec.js

 import { formatProjects, formatGroups } from '~/organizations/groups_and_projects/utils';
 import { ACTION_EDIT, ACTION_DELETE } from '~/vue_shared/components/projects_list/constants';
 import { getIdFromGraphQLId } from '~/graphql_shared/utils';
-import { organizationProjects, organizationGroups } from './mock_data';
+import { organizationProjects, organizationGroups } from '~/organizations/mock_data';
 
 describe('formatProjects', () => {
   it('correctly formats the projects', () => {