Bugfix if object already exists

DataStorage/Database/DataMapperAbstract.php

@@ -1498,6 +1498,8 @@ class DataMapperAbstract implements DataMapperInterface
 
         foreach ($primaryKey as $key => $value) {
             if(self::isInitialized(static::class, $value)) {
+                $obj[$value] = self::getInitialized(static::class, $value);
+                
                 continue;
             }
 
@@ -1911,6 +1913,21 @@ class DataMapperAbstract implements DataMapperInterface
     {
         return isset(self::$initObjects[$mapper]) && isset(self::$initObjects[$mapper][$id]);
     }
+    
+    /**
+     * Get initialized object
+     *
+     * @param string $mapper Mapper name
+     * @param mixed $id Object id
+     *
+     * @return object
+     *
+     * @since  1.0.0
+     */
+    private static function getInitialized($mapper, $id) 
+    {
+        return self::$initObjects[$mapper][$id];
+    }
 
     /**
      * Define the highest mapper of this request