Rebase checkboxes disappear when resizing

What steps will reproduce the problem?

1. Open the 'Rebase' view from the context menu.
2. Decrease the window width.

What is the expected output? What do you see instead?

I expect the GUI-elements to adapt and not disappear, but instead I see that the "Preserve merges" and "Force Rebase" check-boxes (and their text) disappear while there is still plenty of unused space next to them and between them.

What version of TortoiseGit and Git are you using? On what operating system?

TortoiseGit 2.9.0

Git 2.24.0

Windows 10 Enterprise N 1803

All 64 bit

Please provide any additional information below.

I am using the last stable release, and have not checked the preview release, but I searched and did not find this issue reported.