Fix incorrect use of old WebUI paths (#16773)

* Fix incorrect use of old WebUI paths

PR #16171 renamed some routes but missed some occurrences.
Without #16772, this leads to unreachable routes in those cases.

* Fix floating action button being displayed on statuses and compose screen

app/javascript/mastodon/features/direct_timeline/components/conversation.js

@@ -81,7 +81,7 @@ class Conversation extends ImmutablePureComponent {
       markRead();
     }
 
-    this.context.router.history.push(`/statuses/${lastStatus.get('id')}`);
+    this.context.router.history.push(`/@${lastStatus.getIn(['account', 'acct'])}/${lastStatus.get('id')}`);
   }
 
   handleMarkAsRead = () => {

app/javascript/mastodon/features/follow_recommendations/components/account.js

@@ -66,7 +66,7 @@ class Account extends ImmutablePureComponent {
     return (
       <div className='account follow-recommendations-account'>
         <div className='account__wrapper'>
-          <Permalink className='account__display-name account__display-name--with-note' title={account.get('acct')} href={account.get('url')} to={`/accounts/${account.get('id')}`}>
+          <Permalink className='account__display-name account__display-name--with-note' title={account.get('acct')} href={account.get('url')} to={`/@${account.get('acct')}`}>
             <div className='account__avatar-wrapper'><Avatar account={account} size={36} /></div>
 
             <DisplayName account={account} />

app/javascript/mastodon/features/follow_recommendations/index.js

@@ -68,7 +68,7 @@ class FollowRecommendations extends ImmutablePureComponent {
       }
     }));
 
-    router.history.push('/timelines/home');
+    router.history.push('/home');
   }
 
   render () {

app/javascript/mastodon/features/ui/components/columns_area.js

@@ -53,7 +53,7 @@ const messages = defineMessages({
   publish: { id: 'compose_form.publish', defaultMessage: 'Toot' },
 });
 
-const shouldHideFAB = path => path.match(/^\/statuses\/|^\/search|^\/getting-started|^\/start/);
+const shouldHideFAB = path => path.match(/^\/statuses\/|^\/@[^/]+\/\d+|^\/publish|^\/search|^\/getting-started|^\/start/);
 
 export default @(component => injectIntl(component, { withRef: true }))
 class ColumnsArea extends ImmutablePureComponent {