Fixed getMultiple() when ordering by ID

Repository/ORMRepository.php

@@ -147,7 +147,13 @@ abstract class ORMRepository extends EntityRepository implements EditableReposit
             ->execute();
 
         // Maintain the order of IDs
-        $sortedAggregates = array_replace(array_flip($idStrings), $aggregates);
+        $sortedAggregates = [];
+
+        foreach ($ids as $id) {
+            if (isset($aggregates[$id->toString()])) {
+                $sortedAggregates[$id->toString()] = $aggregates[$id->toString()];
+            }
+        }
 
         $cursor = new ArrayCursor($sortedAggregates);