Show 'Files' menu in commit changes panel doesn't fit the color scheme

[egorklepikov]

What steps will reproduce the issue?

1. Select a commit from Git log.
2. Notice that Files link at the top doesn't use the same color scheme as other menu items on the left.
3. Also, notice that 'down' arrow is different compared to other dropdown menus.

What is the expected result?

Color and arrow should match the color scheme.

What happens instead?

IntelliJ IDEA 2023.1.2 (Ultimate Edition)
Build #IU-231.9011.34, built on May 16, 2023
Plugin version: 2023.1-4.0

Original report https://youtrack.jetbrains.com/issue/IDEA-320703

[onewhl]

@egorklepikov thank you very much for reporting the issue!
@anchouls could you please take a look at it?