Add path entries for tree_content.vue of JH

app/assets/javascripts/repository/pages/tree.vue

 <script>
-import TreeContent from '../components/tree_content.vue';
+import TreeContent from 'jh_else_ce/repository/components/tree_content.vue';
 import preloadMixin from '../mixins/preload';
 import { updateElementsVisibility } from '../utils/dom';
 

spec/frontend/repository/components/tree_content_spec.js

@@ -2,7 +2,7 @@ import { shallowMount } from '@vue/test-utils';
 import paginatedTreeQuery from 'shared_queries/repository/paginated_tree.query.graphql';
 import FilePreview from '~/repository/components/preview/index.vue';
 import FileTable from '~/repository/components/table/index.vue';
-import TreeContent from '~/repository/components/tree_content.vue';
+import TreeContent from 'jh_else_ce/repository/components/tree_content.vue';
 import { loadCommits, isRequested, resetRequestedCommits } from '~/repository/commits_service';
 
 jest.mock('~/repository/commits_service', () => ({