Define `ProtectedTagCreate` & `ProtectedTagEditList` on `gl`

That way they are available to the dispatcher and don't need to be
imported there.

app/assets/javascripts/dispatcher.js

@@ -42,7 +42,6 @@ import BlobLinePermalinkUpdater from './blob/blob_line_permalink_updater';
 import Landing from './landing';
 import BlobForkSuggestion from './blob/blob_fork_suggestion';
 import UserCallout from './user_callout';
-import { ProtectedTagCreate, ProtectedTagEditList } from './protected_tags';
 import ShortcutsWiki from './shortcuts_wiki';
 import Pipelines from './pipelines';
 import BlobViewer from './blob/viewer/index';
@@ -416,8 +415,8 @@ import AuditLogs from './audit_logs';
           new gl.ProtectedBranchEditList();
           new UsersSelect();
           // Initialize Protected Tag Settings
-          new ProtectedTagCreate();
-          new ProtectedTagEditList();
+          new gl.ProtectedTagCreate();
+          new gl.ProtectedTagEditList();
           // Initialize expandable settings panels
           initSettingsPanels();
           break;

app/assets/javascripts/protected_tags/ee/index.js

-export { default as ProtectedTagCreate } from './protected_tag_create';
-export { default as ProtectedTagEditList } from './protected_tag_edit_list';
+/* eslint-disable no-param-reassign */
+import ProtectedTagCreate from './protected_tag_create';
+import ProtectedTagEditList from './protected_tag_edit_list';
+
+((global) => {
+  global.gl = global.gl || {};
+
+  gl.ProtectedTagCreate = ProtectedTagCreate;
+  gl.ProtectedTagEditList = ProtectedTagEditList;
+})(window);

app/assets/javascripts/protected_tags/index.js

-export { default as ProtectedTagCreate } from './protected_tag_create';
-export { default as ProtectedTagEditList } from './protected_tag_edit_list';
+/* eslint-disable no-param-reassign */
+
+import ProtectedTagCreate from './protected_tag_create';
+import ProtectedTagEditList from './protected_tag_edit_list';
+
+((global) => {
+  global.gl = global.gl || {};
+
+  gl.ProtectedTagCreate = ProtectedTagCreate;
+  gl.ProtectedTagEditList = ProtectedTagEditList;
+})(window);