fix referecne filter for multi fields (#11412)

Author: iszmais

components/ILIAS/DataCollection/classes/Fields/Reference/class.ilDclReferenceFieldModel.php

@@ -66,33 +66,29 @@ public function getRecordQueryFilterObject(
         $filter_value = "",
         ?ilDclBaseFieldModel $sort_field = null
     ): ?ilDclRecordQueryObject {
-        global $DIC;
-        $ilDB = $DIC['ilDB'];
-
         $n_ref = $this->getProperty(ilDclBaseFieldModel::PROP_N_REFERENCE);
 
         $join_str
             = " LEFT JOIN il_dcl_record_field AS filter_record_field_{$this->getId()} ON (filter_record_field_{$this->getId()}.record_id = record.id AND filter_record_field_{$this->getId()}.field_id = "
-            . $ilDB->quote($this->getId(), 'integer') . ") ";
+            . $this->db->quote($this->getId(), 'integer') . ") ";
         $join_str .= " LEFT JOIN il_dcl_stloc{$this->getStorageLocation()}_value AS filter_stloc_{$this->getId()} ON (filter_stloc_{$this->getId()}.record_field_id = filter_record_field_{$this->getId()}.id) ";
 
         $where_str = " AND ";
 
         if ($filter_value == 'none') {
             $where_str .= "("
                 . "filter_stloc_{$this->getId()}.value IS NULL "
-                . " OR filter_stloc_{$this->getId()}.value = " . $ilDB->quote("", 'text')
-                . " OR filter_stloc_{$this->getId()}.value = " . $ilDB->quote("[]", 'text')
+                . " OR filter_stloc_{$this->getId()}.value = " . $this->db->quote("", 'text')
+                . " OR filter_stloc_{$this->getId()}.value = " . $this->db->quote("[]", 'text')
                 . ") ";
         } else {
             if ($n_ref) {
                 $where_str
-                    .= " filter_stloc_{$this->getId()}.value LIKE "
-                    . $ilDB->quote("%$filter_value%", 'text');
+                    .= " filter_stloc_{$this->getId()}.value LIKE " . $this->db->quote("%\"$filter_value\"%", 'text');
             } else {
                 $where_str
                     .= " filter_stloc_{$this->getId()}.value = "
-                    . $ilDB->quote($filter_value, 'integer');
+                    . $this->db->quote($filter_value, 'integer');
             }
         }