[Glitch] Add edit history to web UI

Port fd3a45e348 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/ui/components/modal_root.js

@@ -24,6 +24,7 @@ import {
   ListEditor,
   ListAdder,
   PinnedAccountsEditor,
+  CompareHistoryModal,
 } from 'flavours/glitch/util/async-components';
 
 const MODAL_COMPONENTS = {
@@ -42,9 +43,10 @@ const MODAL_COMPONENTS = {
   'ACTIONS': () => Promise.resolve({ default: ActionsModal }),
   'EMBED': EmbedModal,
   'LIST_EDITOR': ListEditor,
-  'LIST_ADDER':ListAdder,
   'FOCAL_POINT': () => Promise.resolve({ default: FocalPointModal }),
+  'LIST_ADDER': ListAdder,
   'PINNED_ACCOUNTS_EDITOR': PinnedAccountsEditor,
+  'COMPARE_HISTORY': CompareHistoryModal,
 };
 
 export default class ModalRoot extends React.PureComponent {