Added a field extension for SQLite and let the database sort the elements by the given ID order directly

src/Repository/DBElementRepository.php

@@ -113,13 +113,12 @@ class DBElementRepository extends EntityRepository
         $q = $qb->select('element')
             ->where('element.id IN (?1)')
             ->setParameter(1, $ids)
+            //Order the results in the same order as the IDs in the input array (mysql supports this native, for SQLite we emulate it)
+            ->orderBy('FIELD(element.id, ?1)')
             ->getQuery();
 
         $result = $q->getResult();
 
-        //Sort the result so that the elements are in the same order as the input array
-        $this->sortResultArrayByIDArray($result, $ids);
-
         //Cache the result
         $this->find_elements_by_id_cache[$cache_key] = $result;