Add column header to reactions page

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

app/soapbox/features/reactions/index.js

@@ -4,16 +4,20 @@ import { OrderedSet as ImmutableOrderedSet } from 'immutable';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
+import { injectIntl, defineMessages, FormattedMessage } from 'react-intl';
 import LoadingIndicator from '../../components/loading_indicator';
 import MissingIndicator from '../../components/missing_indicator';
 import { fetchFavourites, fetchReactions } from '../../actions/interactions';
 import { fetchStatus } from '../../actions/statuses';
-import { FormattedMessage } from 'react-intl';
 import AccountContainer from '../../containers/account_container';
 import Column from '../ui/components/column';
 import ScrollableList from '../../components/scrollable_list';
 import { makeGetStatus } from '../../selectors';
 
+const messages = defineMessages({
+  heading: { id: 'column.reactions', defaultMessage: 'Reactions' },
+});
+
 const mapStateToProps = (state, props) => {
   const getStatus = makeGetStatus();
   const status = getStatus(state, {
@@ -35,6 +39,7 @@ const mapStateToProps = (state, props) => {
 };
 
 export default @connect(mapStateToProps)
+@injectIntl
 class Reactions extends ImmutablePureComponent {
 
   static contextTypes = {
@@ -78,14 +83,11 @@ class Reactions extends ImmutablePureComponent {
   };
 
   render() {
-    const { params, reactions, accounts, status } = this.props;
-    const { username, statusId } = params;
-
-    const back = `/@${username}/posts/${statusId}`;
+    const { intl, params, reactions, accounts, status } = this.props;
 
     if (!accounts) {
       return (
-        <Column back={back}>
+        <Column>
           <LoadingIndicator />
         </Column>
       );
@@ -93,7 +95,7 @@ class Reactions extends ImmutablePureComponent {
 
     if (!status) {
       return (
-        <Column back={back}>
+        <Column>
           <MissingIndicator />
         </Column>
       );
@@ -102,7 +104,7 @@ class Reactions extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='status.reactions.empty' defaultMessage='No one has reacted to this post yet. When someone does, they will show up here.' />;
 
     return (
-      <Column back={back}>
+      <Column heading={intl.formatMessage(messages.heading)}>
         {
           reactions.size > 0 && (
             <div className='reaction__filter-bar'>