Unexpected font change in git gui, even with env -git

[fengjianyun]

With #8422 issue, I've detected another unexpected bahavior, the font is no longer recognized.

Even I do a env -git in the project directory, with git gui of global git, the font shown is like this:

And the font list become like this

So what I do is before I call git gui, I call dev off, and everything works again.

Font list:

[jhheider]

Possibly java version? You should be able to compare the env with the dev on and off for some clues.