When creating an Object Attribute that is of type Object, the selection menu shows all object types without any filter. This has caused difficulty in selecting object types, especially when the names of object types are the same, but they are under different parent object types.

It would be convenient for users to filter the object types, for example, to restrict the object type selections to only show object types under the current object type. Alternatively, showing the hierarchy of object types in the selection menu would also add more clarity.

Below is a simplified schema that showcases the difficulty in selecting the object type User: