Commit Window new branch should focus textbox

What steps will reproduce the problem?

1. Bring up commit window
2. Activate "new branch" checkbox

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

The new branch name text box appears and gains focus to start typing. The new branch name text box appears but does not gain focus.

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

2.10.0.2 Windows 10 And server 2016

Please provide any additional information below.