feat: add sub-menu(s) to GridMenu control#868

Merged

ghiscoding merged 2 commits intomasterfrom feat/gridmenu-sub-menus

Oct 20, 2023

+480-105

Commits on Oct 20, 2023

feat: add sub-menu(s) to GridMenu control
ghiscoding-SE
committed
chore: fix open different sub-menu tree left previous sub-menu tree open
ghiscoding-SE
committed