Add messages informing that collections are empty (fixes #4115) (#8418)

* Add messages informing that collections are empty

Adds empty messages to blocked users, domain blocks, favourited statuses, users
that favourited toot, follow requests, followers of given user, user's being
followed by given user, lists, muted users, toots' boosts.

Switched from using ScrollContainer to ScrollableList and/or added empty
message's text.

Fixes #4115

* Update localization files with strings for #4115

* Fix whitespace issues pointed out by codeclimate

1 files changed, 13 insertions, 6 deletions

diff --git a/app/javascript/mastodon/features/favourites/index.js b/app/javascript/mastodon/features/favourites/index.js
index 40fe6c9a8..74a683ccc 100644
--- a/app/javascript/mastodon/features/favourites/index.js
+++ b/app/javascript/mastodon/features/favourites/index.js
@@ -5,10 +5,11 @@ import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
 import { fetchFavourites } from '../../actions/interactions';
-import { ScrollContainer } from 'react-router-scroll-4';
+import { FormattedMessage } from 'react-intl';
 import AccountContainer from '../../containers/account_container';
 import Column from '../ui/components/column';
 import ColumnBackButton from '../../components/column_back_button';
+import ScrollableList from '../../components/scrollable_list';
 
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'favourited_by', props.params.statusId]),
@@ -45,15 +46,21 @@ export default class Favourites extends ImmutablePureComponent {
       );
     }
 
+    const emptyMessage = <FormattedMessage id='empty_column.favourites' defaultMessage='No one has favourited this toot yet. When someone does, they will show up here.' />;
+
     return (
       <Column>
         <ColumnBackButton />
 
-        <ScrollContainer scrollKey='favourites' shouldUpdateScroll={shouldUpdateScroll}>
-          <div className='scrollable'>
-            {accountIds.map(id => <AccountContainer key={id} id={id} withNote={false} />)}
-          </div>
-        </ScrollContainer>
+        <ScrollableList
+          scrollKey='favourites'
+          shouldUpdateScroll={shouldUpdateScroll}
+          emptyMessage={emptyMessage}
+        >
+          {accountIds.map(id =>
+            <AccountContainer key={id} id={id} withNote={false} />
+          )}
+        </ScrollableList>
       </Column>
     );
   }