Moved the performance scripts

To improve the strucutre, moved performance-related
utils and constants into a dedicated folder

app/assets/javascripts/blob/components/blob_edit_content.vue

 <script>
 import { debounce } from 'lodash';
 import { initEditorLite } from '~/blob/utils';
-import { SNIPPET_MEASURE_BLOBS_CONTENT } from '~/performance_constants';
+import { SNIPPET_MEASURE_BLOBS_CONTENT } from '~/performance/constants';
 
 import eventHub from './eventhub';
 

app/assets/javascripts/ide/components/ide.vue

@@ -10,8 +10,8 @@ import {
   WEBIDE_MEASURE_TREE_FROM_REQUEST,
   WEBIDE_MEASURE_FILE_FROM_REQUEST,
   WEBIDE_MEASURE_FILE_AFTER_INTERACTION,
-} from '~/performance_constants';
-import { performanceMarkAndMeasure } from '~/performance_utils';
+} from '~/performance/constants';
+import { performanceMarkAndMeasure } from '~/performance/utils';
 import { modalTypes } from '../constants';
 import eventHub from '../eventhub';
 import FindFile from '~/vue_shared/components/file_finder/index.vue';

app/assets/javascripts/ide/components/ide_tree_list.vue

@@ -6,8 +6,8 @@ import {
   WEBIDE_MARK_TREE_START,
   WEBIDE_MEASURE_TREE_FROM_REQUEST,
   WEBIDE_MARK_FILE_CLICKED,
-} from '~/performance_constants';
-import { performanceMarkAndMeasure } from '~/performance_utils';
+} from '~/performance/constants';
+import { performanceMarkAndMeasure } from '~/performance/utils';
 import eventHub from '../eventhub';
 import IdeFileRow from './ide_file_row.vue';
 import NavDropdown from './nav_dropdown.vue';

app/assets/javascripts/ide/components/repo_editor.vue

@@ -9,8 +9,8 @@ import {
   WEBIDE_MARK_FILE_START,
   WEBIDE_MEASURE_FILE_AFTER_INTERACTION,
   WEBIDE_MEASURE_FILE_FROM_REQUEST,
-} from '~/performance_constants';
-import { performanceMarkAndMeasure } from '~/performance_utils';
+} from '~/performance/constants';
+import { performanceMarkAndMeasure } from '~/performance/utils';
 import eventHub from '../eventhub';
 import {
   leftSidebarViews,

app/assets/javascripts/ide/utils.js

 import { languages } from 'monaco-editor';
 import { flatten, isString } from 'lodash';
 import { SIDE_LEFT, SIDE_RIGHT } from './constants';
-import { performanceMarkAndMeasure } from '~/performance_utils';
+import { performanceMarkAndMeasure } from '~/performance/utils';
 
 const toLowerCase = x => x.toLowerCase();
 

app/assets/javascripts/performance_bar/performance_bar_log.js

 /* eslint-disable no-console */
 import { getCLS, getFID, getLCP } from 'web-vitals';
-import { PERFORMANCE_TYPE_MARK, PERFORMANCE_TYPE_MEASURE } from '~/performance_constants';
+import { PERFORMANCE_TYPE_MARK, PERFORMANCE_TYPE_MEASURE } from '~/performance/constants';
 
 const initVitalsLog = () => {
   const reportVital = data => {

app/assets/javascripts/snippets/components/edit.vue

@@ -9,9 +9,9 @@ import FormFooterActions from '~/vue_shared/components/form/form_footer_actions.
 import {
   SNIPPET_MARK_EDIT_APP_START,
   SNIPPET_MEASURE_BLOBS_CONTENT,
-} from '~/performance_constants';
+} from '~/performance/constants';
 import eventHub from '~/blob/components/eventhub';
-import { performanceMarkAndMeasure } from '~/performance_utils';
+import { performanceMarkAndMeasure } from '~/performance/utils';
 
 import UpdateSnippetMutation from '../mutations/updateSnippet.mutation.graphql';
 import CreateSnippetMutation from '../mutations/createSnippet.mutation.graphql';

app/assets/javascripts/snippets/components/show.vue

@@ -9,8 +9,8 @@ import { SNIPPET_VISIBILITY_PUBLIC } from '~/snippets/constants';
 import {
   SNIPPET_MARK_VIEW_APP_START,
   SNIPPET_MEASURE_BLOBS_CONTENT,
-} from '~/performance_constants';
-import { performanceMarkAndMeasure } from '~/performance_utils';
+} from '~/performance/constants';
+import { performanceMarkAndMeasure } from '~/performance/utils';
 import eventHub from '~/blob/components/eventhub';
 
 import { getSnippetMixin } from '../mixins/snippets';

app/assets/javascripts/snippets/utils/blob.js

@@ -7,8 +7,8 @@ import {
   SNIPPET_LEVELS_MAP,
   SNIPPET_VISIBILITY,
 } from '../constants';
-import { performanceMarkAndMeasure } from '~/performance_utils';
-import { SNIPPET_MARK_BLOBS_CONTENT, SNIPPET_MEASURE_BLOBS_CONTENT } from '~/performance_constants';
+import { performanceMarkAndMeasure } from '~/performance/utils';
+import { SNIPPET_MARK_BLOBS_CONTENT, SNIPPET_MEASURE_BLOBS_CONTENT } from '~/performance/constants';
 
 const createLocalId = () => uniqueId('blob_local_');
 

app/assets/javascripts/vue_shared/components/blob_viewers/mixins.js

-import { SNIPPET_MEASURE_BLOBS_CONTENT } from '~/performance_constants';
+import { SNIPPET_MEASURE_BLOBS_CONTENT } from '~/performance/constants';
 import eventHub from '~/blob/components/eventhub';
 
 export default {