[ResourceBundle, Pimcore] add force-loading of classes, this fixes a …

…rare case bug where classes are created but not yet loaded.

src/CoreShop/Component/Pimcore/ClassLoader.php

@@ -68,7 +68,7 @@ public static function forceLoadBrick($brickName)
     protected static function loadClass($fileName, $className)
     {
         if (file_exists($fileName) && !class_exists($className)) {
-            require_once $className;
+            require_once $fileName;
         }
     }