Slug get modified automatically when reordering item in self-nested modules

[thingasd]

Description

When reordering item nested, the target slug get modified automatically according to the title.

Steps to reproduce

https://user-images.githubusercontent.com/29519267/185088187-601f0841-5739-45dd-9232-92dfc502e836.mp4

Expected result

The slug should not get modified/updated.

Actual result

The slug is modified according to the title.

Versions

2.x

[denis-gorin]

Hi, this behavior is repeated also in models without self-nesting feature.

[ifox]

This should be fixed in Twill 3.1, but feel free to reopen an issue if you are still experiencing this.