F12 removes ability to open pouches.

### Testmerges

Multiple rounds.

### Round ID

Multiple rounds.

### Description of the bug

When you press F12 twice with a container open, the window for the open container disappears. Upon pressing F12 again to return to the normal HUD, you cannot open the container by clicking it until you have opened a separate container.

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

The container should be openable after changing HUD.

### How do we reproduce this bug?

1. Open a container.
2. Press F12 twice, close container window (if open)
3. Press F12 again.
4. Attempt to open same container.

### Issue Bingo

- [x] Issue could be reproduced at least once
- [x] Issue happened in a recent (less than 7 days ago) round
- [x] Couldn't find an existing issue about this (https://github.com/cmss13-devs/cmss13/issues)