Wrong inventory count and weights

[AuXAuV]

A character crafted pistol clips out of a gunpowder bottle, with one pistol clip in their inventory already.
What resulted is the attached image.
Dropping one clip results in the correct count of 4 items and 4 weight.

[plscks]

A character crafted pistol clips out of a gunpowder bottle, with one pistol clip in their inventory already.
What resulted is the attached image.
Dropping one clip results in the correct count of 4 items and 4 weight.

This one is specific to ammunition, but overall the inventory UI building function needs to be redone. The issue concerning ammunition has a fix staged for the next update.