context_menu.lua: add background_alpha script-opt
Closes #17807.
G
Guido Cella committed
e046cd0736b7e651bb74fc577596a33fe9635468
Parent: 4c92626
Committed by Kacper Michajłow <kasper93@gmail.com>
on 4/24/2026, 6:19:50 PM