Campaign loadout menu can spam new belt slots

[dallaszzz]

Description

Its only supposed to have the 2 belt slots.

Test Merges

#15061: 'Refactors and expands grab interactions with objects' by Lumipharon at commit b7fe8afb07 #15209: 'Xeno charge fixes' by Lumipharon at commit 001666be1e

Reproduction Steps

1 Click belt slot 2 Click belt harness 3 Start clicking between different belts

Screenshots

[Lumipharon]

Its a tgui bug, happens with vendors as well. If a list has 2 things with the same name (in this case if you have 2 identical pouches) it uh, doesn't like it