Can't create branch if name was used in a previous branch (even if the previous branch is closed)

[MartinLockheart]

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Current Behavior

I am unable to create new branches with names that have been previously used in closed branches. I reported this issue a long time ago, so I'm not sure if it was never fixed, or if this is a regression.

EDIT: I found the issue I made previously, which hasn't been updated in almost a year: #6064

Expected Behavior

I should be able to create new branches with previously used names.

Steps to Reproduce

1. Create a new project.
2. Start a new branch in that project.
3. Merge the branch main and close it
4. Try to create a new branch with the same name

Reproducible from Blank

• The steps to reproduce above start from a blank project.

Bug Report Code (Required)

ITESlsmA8c9gosMC+c7IL+1AhQIgQ0QnU7gnlO1ucx43NYjvE+x+OuPRT0NKQtzmYG5cf06Gkk8EwNXFhuHDLfY6ZC+BGLZd0JVAaQmWZEygRqaoC86eeXEkEd5YC0CByLuoniZ4GLNpcngs6k6tNa3qNleeY8aSfxBlZ7vfcPo=

Visual documentation

Environment

- FlutterFlow version: 7.0.4+
- Platform: Windows Desktop
- Browser name and version: N/A
- Operating system and version affected: Windows 11 Home, Version 10.0.2620 Build 26200

Additional Information

This is minor compared to some of the other issues I'm currently facing, but it's still a bit annoying.