BelongsToMany does not shows on edit form

[9350999]

• Laravel Version: 10.43.0
• Nova Version: v4.32.11
• PHP Version: 8.2.13
• Database Driver & Version: PostgreSQL v.14
• Operating System and Version: MacOS 13.5
• Browser type and version: Chrome: 121.0.6167.160 (Official Build) (arm64)
• Reproduction Repository: https://github.com/9350999/belongsToMany

Description:

A field with the relationship BelongsToMany is only visible in the view form, but not in the edit form.

Detailed steps to reproduce the issue on a fresh Nova installation:

1. Create two models with custom fields
2. To connect them together through a relationship BelongsToMany
3. Create a seeder and fill the database with the values of these models and create multiple connections between them
4. Create 2 resources for them including the field BelongsToMany
5. When opening the view form - related models will be visible in the table below the list element of the current model
6. When opening the edit form - the field BelongsToMany is not displayed

###Screenshots and video

2024-02-16.18-52-56.mp4

[webard]

It is correct behaviour. Attaching relations is available after creating main entity.