CSS error in action config section for card view type with dark mode

[Koichi_Tsuji]

Obviously a error in CSS for app editor (both legacy / new).

Once we turn to Dark mode for the app theme, the action list to config with card view type is "white-out".

 

Hope this could be fixed quickly.

@Arthur_Rallu 

@devingu 

@lizlynch 

[SkrOYC]

Just tested and still an issue

@zito @cschalk_ws