Unable to create new branch

[meaghanlewis]

Description

Pressing new branch is unresponsive and does not allow me to create a new branch. I don't see any indication the button was triggered in the logs either.

Reproduces how often:
100%

Build:

github-for-unity-0.23.0.3277-1d3bdf14.unitypackage from
https://github.com/github-for-unity/Unity/releases/tag/untagged-ca0d42e848bdf607bf9b

[meaghanlewis]

Fixed by #499