Changing a property name also changes the alias even when the alias is locked

[philipdanielhayton]

Which Umbraco version are you using? (Please write the exact version, example: 10.1.0)

14.0.0

Bug summary

I needed to change the label text of a property and noticed that it automatically changed the alias, even though the alias icon shows that it's locked.

Specifics

No response

Steps to reproduce

1. Create a new doc type
2. Add a property, give it any name you like
3. Save the doc type
4. Navigate away, navigate back
5. Change the name of the field, the alias will also update, even though it's locked

Expected result / actual result

The alias should not change when it's in a locked state. It's easy to miss this and it will break things when the models are re-created if not spotted and caught.

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This item has been added to our backlog AB#41767