The current branch (if any) should be deactivated when attempting to create a new branch

[jeremystretch]

Plugin Version

v0.4.0

NetBox Version

v4.1.0

Python Version

3.10

Steps to Reproduce

1. Activate a branch
2. Select "Create a branch" from the branch selector dropdown at top right
3. Enter a branch name and click "Create"

Expected Behavior

The new branch should be created.

Observed Behavior

An error is raised:

Cannot create or modify a branch while a branch is active.

After deactivating the current branch, creating a new branch succeeds.

[jeremystretch]

A similar problem arises when attempting to delete a branch while it or another branch is active. I think ideally the controls do so would be disabled while a branch is active, but that may provide infeasible to implement consistently across the UI.