Merge pull request #28 from flarum/analysis-qgx2Q4

Apply fixes from StyleCI

extensions/mentions/src/Listener/FormatPostMentions.php

@@ -82,6 +82,7 @@ class FormatPostMentions
             if ($post && $post->user) {
                 $attributes['displayname'] = $post->user->display_name;
             }
+
             return $attributes;
         });
     }

extensions/mentions/src/Listener/FormatUserMentions.php

@@ -78,6 +78,7 @@ class FormatUserMentions
             if ($user) {
                 $attributes['displayname'] = $user->display_name;
             }
+
             return $attributes;
         });
     }