Merge branch 'winh-missing-javascript-imports' into 'master'

Add missing import statements

Closes #3268

See merge request !2791

app/assets/javascripts/behaviors/toggler_behavior.js

@@ -5,6 +5,7 @@
 //   %button.js-toggle-button
 //   %div.js-toggle-content
 //
+import '~/lib/utils/url_utility';
 $(() => {
   function toggleContainer(container, toggleState) {

app/assets/javascripts/diff_notes/components/jump_to_discussion.js

@@ -4,6 +4,8 @@
 import Vue from 'vue';
+import '../mixins/discussion';
+
 const JumpToDiscussion = Vue.extend({
   mixins: [DiscussionMixins],
   props: {

app/assets/javascripts/diff_notes/components/resolve_count.js

@@ -4,6 +4,8 @@
 import Vue from 'vue';
+import '../mixins/discussion';
+
 window.ResolveCount = Vue.extend({
   mixins: [DiscussionMixins],
   props: {

app/assets/javascripts/shortcuts.js

 /* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, wrap-iife, quotes, prefer-arrow-callback, consistent-return, object-shorthand, no-unused-vars, one-var, one-var-declaration-per-line, no-else-return, comma-dangle, max-len */
 /* global Mousetrap */
 import Cookies from 'js-cookie';
+import Mousetrap from 'mousetrap';
 import findAndFollowLink from './shortcuts_dashboard_navigation';