o The popup will list attachments available for the given slot on the current weapon. Ones not in sector inventory will be greyed out.
o It should show up after clicking on an empty attachment slot, provided these criteria are met:
--> we are on the mapscreen
--> the sector inventory is open
--> the selected merc is in this sector
--> there is no combat in this sector
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@4620 3b4a5df2-a311-0410-b5c6-a8a6f20db521
