dev#203399 : add libraries multi-select element in profiles

and save spaces separated ids

library/Class/User/SearchCriteria.php

@@ -111,6 +111,9 @@ class Class_User_SearchCriteriaMultiLibraries extends Class_User_SearchCriteriaL
 
 
   public function acceptSearchVisitor($visitor) : Class_SearchCriteria_Abstract {
+    if ($this->_isAllValues())
+      return $this;
+
     $visitor->addQueryClause(fn($query) => $query
                              ->in($this->_name, explode(';', $this->_value)));