Merge pull request #2848 from ExpressionEngine/bug/7.x/author-filter-…

…missing-label

Resolved an issue where the author filter could have a missing label.

system/ee/ExpressionEngine/Service/EntryListing/EntryListing.php

@@ -372,7 +372,7 @@ protected function setupEntries()
     private function createAuthorFilter($channel_id = null)
     {
         $db = ee('db')->distinct()
-            ->select('t.author_id, m.screen_name')
+            ->select('t.author_id, m.screen_name, m.username')
             ->from('channel_titles t')
             ->join('members m', 'm.member_id = t.author_id', 'LEFT')
             ->order_by('screen_name', 'asc');
@@ -385,7 +385,7 @@ private function createAuthorFilter($channel_id = null)
 
         $author_filter_options = [];
         foreach ($authors_query->result() as $row) {
-            $author_filter_options[$row->author_id] = $row->screen_name;
+            $author_filter_options[$row->author_id] = (!empty($row->screen_name)) ? $row->screen_name : $row->username;
         }
 
         // Put the current user at the top of the author list