[Bug]: Domain Owners + Tags not saved

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

When creating a new, or updating an existing domain owners (mandatory field!) and tags are not saved and always remain 'Not assigned', and 'None', respectively.

Expected Behavior

When creating a new, or updating an existing domain owners and tags are are saved properly.

Steps To Reproduce

1. Create new domain.
   1. ``Provide a valid user email or group name in the owners field.
   2. Add a tag in the tags field.
2. Open details of newly created domain.
   1. Observe 'Not assigned' under Owners
   2. Observer 'None' under Tags
3. Press Edit and provide the information again.
4. Observe the same results after editing.

Note: I have noticed that the DataDomainBase pydantic model does not contain any notion of owners. Should be added there?

Cloud

Azure

Browser

Edge

Version

latest

Relevant log output

Start with the DataDomainBase pydantic model mentioned in the issue, then trace how owners and tags are handled during domain creation and editing. Verify that the values are persisted and shown in the domain details after both creating and updating a domain.