How frequently does the bug occur?

Always

Description

Realm 11.9.0 and 12.3.1 (I suppose it since 12.0.0) have different behavior when setting the embedded object field to null.
While 11.9.0 allows us to do it, 12.3.1 doesn't set null to an object field. Will it be fixed, or are these new validation constraints?

Stacktrace & log output

No response

Can you reproduce the bug?

Always

Reproduction Steps

I've created an example to show the difference between Realm 12.3.1 and 11.9.0.

https://github.com/andreyukD/reproduce-realmjs-issue (branch v12-3-1)

Starting point was npx create-expo-app MyAwesomeRealmApp --template @realm/expo-template

I've added a new field items in Task schema

commit with 12.3.1 - https://github.com/andreyukD/reproduce-realmjs-issue/commit/82700701cccf2f794e912fb99a7a8466d4092767
commit with 11.9.0 - https://github.com/andreyukD/reproduce-realmjs-issue/commit/b1ce35065b97c24b32dc9c6f7c55dc46b25ddef6

https://github.com/realm/realm-js/assets/33383393/45beff07-7b8c-42d1-b662-9adef282d636

https://github.com/realm/realm-js/assets/33383393/5a337bc3-9be8-4374-a3c2-680a6c42fc8d

Version

12.3.1 / 11.9.0

What services are you using?

Local Database only

Are you using encryption?

No

Platform OS and version(s)

macOS 14.0

Build environment

Which debugger for React Native: ..

Cocoapods version

No response