[Gambas-bugtracker] Bug #2247: Dark theme issues

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.2247&from=L21haW4-

Comment #3 by Benoît MINISINI:

Since commit https://gitlab.com/gambas/gambas/-/commit/09dd6a700927a12733e810ac5dfcd5e86fbaa52c, MenuButton takes the background color into account as expected.

It does not work on some GTK+ themes that do not take the button background color into account.