Fix asset meta data object relation in asset grid view

Fixes the error that a change in gridview is not detected.
Error was introduced by a change from December 4th, 2023 - commit e422dca

public/js/pimcore/asset/metadata/tags/manyToOneRelation.js

@@ -159,6 +159,7 @@ pimcore.asset.metadata.tags.manyToOneRelation = Class.create(pimcore.asset.metad
             if (data.published === false) {
                 this.component.addCls("strikeThrough");
             }
+            this.dataChanged = true;
             this.component.setValue(data.path);
 
             return true;