Merge branch '6521_database_list_sort_on_dbuser_column' into 'develop'

6521_database_list_sort_on_dbuser_column

See merge request ispconfig/ispconfig3!1756

interface/web/sites/templates/database_list.htm

@@ -39,7 +39,7 @@
 -->
                         <th data-column="server_id"><tmpl_var name="server_id_txt"></th>
 						<th data-column="parent_domain_id"><tmpl_var name="parent_domain_id_txt"></th>
-                        <th data-column="database_user"><tmpl_var name="database_user_txt"></th>
+                        <th data-column="database_user_id"><tmpl_var name="database_user_txt"></th>
                         <th data-column="database_name"><tmpl_var name="database_name_txt"></th>
                         <th class="small-col text-right">{tmpl_var name='search_limit'}</th>
                     </tr>