Move the UUID module to a more global Utils home

app/assets/javascripts/actioncable_link.js

 import { ApolloLink, Observable } from 'apollo-link';
 import { print } from 'graphql';
 import cable from '~/actioncable_consumer';
-import { uuids } from '~/diffs/utils/uuids';
+import { uuids } from '~/lib/utils/uuids';
 
 export default class ActionCableLink extends ApolloLink {
   // eslint-disable-next-line class-methods-use-this

app/assets/javascripts/diffs/utils/diff_file.js

 import { truncateSha } from '~/lib/utils/text_utility';
+import { uuids } from '~/lib/utils/uuids';
 
 import {
   DIFF_FILE_SYMLINK_MODE,
@@ -7,7 +8,6 @@ import {
   DIFF_FILE_AUTOMATIC_COLLAPSE,
 } from '../constants';
 import { getDerivedMergeRequestInformation } from './merge_request';
-import { uuids } from './uuids';
 
 function fileSymlinkInformation(file, fileList) {
   const duplicates = fileList.filter((iteratedFile) => iteratedFile.file_hash === file.file_hash);

app/assets/javascripts/editor/editor_lite.js

 import { editor as monacoEditor, languages as monacoLanguages, Uri } from 'monaco-editor';
-import { uuids } from '~/diffs/utils/uuids';
 import { defaultEditorOptions } from '~/ide/lib/editor_options';
 import languages from '~/ide/lib/languages';
 import { DEFAULT_THEME, themes } from '~/ide/lib/themes';
 import { registerLanguages } from '~/ide/utils';
 import { joinPaths } from '~/lib/utils/url_utility';
+import { uuids } from '~/lib/utils/uuids';
 import {
   EDITOR_LITE_INSTANCE_ERROR_NO_EL,
   URI_PREFIX,

app/assets/javascripts/lib/utils/recurrence.js

-import { uuids } from '../../diffs/utils/uuids';
+import { uuids } from './uuids';
 
 /**
  * @module recurrence

spec/frontend/actioncable_link_spec.js

@@ -4,7 +4,7 @@ import cable from '~/actioncable_consumer';
 import ActionCableLink from '~/actioncable_link';
 
 // Mock uuids module for determinism
-jest.mock('~/diffs/utils/uuids', () => ({
+jest.mock('~/lib/utils/uuids', () => ({
   uuids: () => ['testuuid'],
 }));
 

spec/frontend/diffs/utils/uuids_spec.js → spec/frontend/lib/utils/uuids_spec.js

-import { uuids } from '~/diffs/utils/uuids';
+import { uuids } from '~/lib/utils/uuids';
 
 const HEX = /[a-f0-9]/i;
 const HEX_RE = HEX.source;