[UI] Repositories list is not visible during checkout existing

I'm using SourceTree 4.2.5 (259) on macOS Sonoma 14.0.

I have a repository cloned multiple times.

Whenever I checkout a new branch from Bitbucket website, Sourcetree opens a modal "Checkout Existing", and I'm being prompted to select on which local repository I want to checkout that branch. The local repository section is compressed so I can't click anything, and you can't resize the window.

Since SourceTree 4.0.2 (236), every new update you push breaks that modal so I'm always downgrading, hoping that someday you will fix this.

Here's how it should be: