fix(issue): remove duplicate item in status dropdown

Author: btry

inc/issue.class.php

@@ -776,6 +776,7 @@ public static function getSpecificValueToSelect($field, $name = '', $values = ''
          case 'status' :
             $ticket_opts = Ticket::getAllStatusArray(true);
             $ticket_opts = $ticket_opts + PluginFormcreatorFormAnswer::getStatuses();
+            unset($ticket_opts[PluginFormcreatorFormAnswer::STATUS_WAITING]);
             return Dropdown::showFromArray($name, $ticket_opts, ['display' => false,
                                                                  'value'   => $values[$field]]);
             break;