Merge commit 'a27bafa59653328a0f06bedb1dfb2b6ee92af43d' into glitch-soc/merge-upstream

- `app/controllers/application_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
- `spec/helpers/application_helper_spec.rb`:
  Minor conflict due to glitch-soc's theming system.

app/javascript/mastodon/features/lists/members.tsx

@@ -312,7 +312,7 @@ const ListMembers: React.FC<{
         footer={
           mode === 'remove' && (
             <>
-              <div className='spacer' />
+              {displayedAccountIds.length > 0 && <div className='spacer' />}
 
               <div className='column-footer'>
                 <Link to={`/lists/${id}`} className='button button--block'>

app/javascript/mastodon/features/status/components/card.jsx

@@ -8,7 +8,7 @@ import { FormattedMessage } from 'react-intl';
 import classNames from 'classnames';
 
 
-import Immutable from 'immutable';
+import { is } from 'immutable';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 
 import DescriptionIcon from '@/material-icons/400-24px/description-fill.svg?react';
@@ -73,7 +73,7 @@ export default class Card extends PureComponent {
   };
 
   UNSAFE_componentWillReceiveProps (nextProps) {
-    if (!Immutable.is(this.props.card, nextProps.card)) {
+    if (!is(this.props.card, nextProps.card)) {
       this.setState({ embedded: false, previewLoaded: false });
     }
 

app/javascript/mastodon/features/status/index.jsx

@@ -7,7 +7,7 @@ import { Helmet } from 'react-helmet';
 import { withRouter } from 'react-router-dom';
 
 import { createSelector } from '@reduxjs/toolkit';
-import Immutable from 'immutable';
+import { List as ImmutableList } from 'immutable';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { connect } from 'react-redux';
@@ -87,7 +87,7 @@ const makeMapStateToProps = () => {
     (_, { id }) => id,
     state => state.getIn(['contexts', 'inReplyTos']),
   ], (statusId, inReplyTos) => {
-    let ancestorsIds = Immutable.List();
+    let ancestorsIds = ImmutableList();
     ancestorsIds = ancestorsIds.withMutations(mutable => {
       let id = statusId;
 
@@ -134,14 +134,14 @@ const makeMapStateToProps = () => {
       });
     }
 
-    return Immutable.List(descendantsIds);
+    return ImmutableList(descendantsIds);
   });
 
   const mapStateToProps = (state, props) => {
     const status = getStatus(state, { id: props.params.statusId });
 
-    let ancestorsIds   = Immutable.List();
-    let descendantsIds = Immutable.List();
+    let ancestorsIds   = ImmutableList();
+    let descendantsIds = ImmutableList();
 
     if (status) {
       ancestorsIds   = getAncestorsIds(state, { id: status.get('in_reply_to_id') });

app/javascript/mastodon/features/subscribed_languages_modal/index.jsx

@@ -23,7 +23,7 @@ const getAccountLanguages = createSelector([
   (state, accountId) => state.getIn(['timelines', `account:${accountId}`, 'items'], ImmutableList()),
   state => state.get('statuses'),
 ], (statusIds, statuses) =>
-  new ImmutableSet(statusIds.map(statusId => statuses.get(statusId)).filter(status => !status.get('reblog')).map(status => status.get('language'))));
+  ImmutableSet(statusIds.map(statusId => statuses.get(statusId)).filter(status => !status.get('reblog')).map(status => status.get('language'))));
 
 const mapStateToProps = (state, { accountId }) => ({
   acct: state.getIn(['accounts', accountId, 'acct']),