autolathe will not take vials

## Testmerges
#10883: 'Blocks tiles you cannot view while looking up' by Git-Nivrak at commit 5d0d58b9f6
#10926: 'Medals Overhaul' by realforest2001 at commit 7df4ad80f9
#10999: 'Fix of various plane related issues' by Blundir at commit f85a7153c4
#9575: 'Oppressor Praetorian: Fixes abduction ability interaction with objects.' by Venuska1117 at commit ff7f8a7550
#10973: 'Leadership Changes: Fireteam Additions' by Nihisohel at commit eed9f31c25
#11136: 'Coms Rolling Encryption & Punchcards' by Drulikar at commit 89a373323e
#10954: 'Liquid fuel decals now ignite & Toxic no longer destroys weeds' by Drulikar at commit c5dc670d5a
#11139: 'Synthetic Loadout Options' by realforest2001 at commit 7eacd56c98

## Round ID
30953

## Description of the bug
autolathe will say its full and refuse to take vials, even when completely empty

## What's the difference with what should have happened?
it should take vials

## How do we reproduce this bug?
1) click on autolathe with vial

## Attached logs
```
The autolathe is full. Please remove material from the autolathe in order to insert more.
```

## Additional details
- Author: Vending Machine
- Admin: SmellyHippie
- Note: None