The many to one field cannot show the default value in the pop-up, but it internally contains the value.

* Describe the bug
The many to one field cannot show the default value in the pop-up.
* Environment
- NocoBase version: v2.0.0-alpha.56
- Database type and version: PostgreSQL 16
- OS: Ubuntu 24.04.3 LTS, Client - Windows 11
- Deployment Methods: Docker
- Docker image version: nocobase/nocobase:2.0.0-alpha.56-full
- NodeJS version: NA
* How To Reproduce
- Create two collections
requestandrequest_approval - In
request_approvalcollection, create amany-to-onefield (Request ID) pointing to the ID ofrequestcollection - Create a table of
requestin a page, and add Edit in the Actions. - Add a Form (Add new) for
request_approvalin the Edit pop-up. - Add the Request ID, and configure the default value to
Current popup/Current popup record/ID - When opening pop-up, no default value is shown, but it saves the Current popup record ID when being submitted. If I manually choose any value and remove it, blank value will be saved.
- Demo: https://a_8hwne7u84ho.v13.demo.nocobase.com/admin/nlj52lynqcf
Expected behavior
It should show the default value when the pop-up is opened.
Screenshots
NA
Logs
No error log generated.
