From 82dd5a87758927b40df16ff6ffb5837633e8a4c7 Mon Sep 17 00:00:00 2001
From: Stefan Scheu <stefan.scheu@cando-image.com>
Date: Mon, 20 Feb 2023 14:45:13 +0100
Subject: [PATCH] fix: do not remove allowed folder class from definition by
 reference

---
 .../public/js/pimcore/object/tags/manyToManyRelation.js     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bundles/AdminBundle/Resources/public/js/pimcore/object/tags/manyToManyRelation.js b/bundles/AdminBundle/Resources/public/js/pimcore/object/tags/manyToManyRelation.js
index b02feb66193..69e116c1571 100644
--- a/bundles/AdminBundle/Resources/public/js/pimcore/object/tags/manyToManyRelation.js
+++ b/bundles/AdminBundle/Resources/public/js/pimcore/object/tags/manyToManyRelation.js
@@ -30,7 +30,11 @@ pimcore.object.tags.manyToManyRelation = Class.create(pimcore.object.tags.abstra
         this.fieldConfig.classes =  this.fieldConfig.classes.filter(function (x) {
             if(x.classes == 'folder') {
                 this.dataObjectFolderAllowed = true;
-                return false;
+                // Pimcore returns false, why ?
+                // in this case the "folder" is removed from the allowed classes by reference
+                // and if a new field collection is created without a new request for the field collection definition
+                // it is missing and its not possible to drag and drop folders
+                return true;
             }
             return true;
         }.bind(this));