Add list of lists component to web UI (#5811)

* Add list of lists component to web UI

* Add list adding

* Add list removing

* List editor modal

* Add API account search limited by following=true relation

* Rework list editor modal

* Remove mandatory pagination of GET /api/v1/lists/:id/accounts

* Adjust search input placeholder

* Fix rspec (#5890)

* i18n: (zh-CN) Add missing translations for #5811 (#5891)

* i18n: (zh-CN) yarn manage:translations -- zh-CN

* i18n: (zh-CN) Add missing translations for #5811

* Fix some issues

- Display loading/missing state for list timelines
- Order lists alphabetically in overview
- Fix async list editor reset
- Redirect to /lists after deleting unpinned list
- Redirect to / after pinning a list

* Remove dead list columns when a list is deleted or fetch returns 404

app/javascript/mastodon/reducers/accounts.js

@@ -43,6 +43,10 @@ import {
   FAVOURITED_STATUSES_FETCH_SUCCESS,
   FAVOURITED_STATUSES_EXPAND_SUCCESS,
 } from '../actions/favourites';
+import {
+  LIST_ACCOUNTS_FETCH_SUCCESS,
+  LIST_EDITOR_SUGGESTIONS_READY,
+} from '../actions/lists';
 import { STORE_HYDRATE } from '../actions/store';
 import emojify from '../features/emoji/emoji';
 import { Map as ImmutableMap, fromJS } from 'immutable';
@@ -115,6 +119,8 @@ export default function accounts(state = initialState, action) {
   case BLOCKS_EXPAND_SUCCESS:
   case MUTES_FETCH_SUCCESS:
   case MUTES_EXPAND_SUCCESS:
+  case LIST_ACCOUNTS_FETCH_SUCCESS:
+  case LIST_EDITOR_SUGGESTIONS_READY:
     return action.accounts ? normalizeAccounts(state, action.accounts) : state;
   case NOTIFICATIONS_REFRESH_SUCCESS:
   case NOTIFICATIONS_EXPAND_SUCCESS: