med tutorial round skipping

### Testmerges

Server revision compiled on: 2025-04-12T03:35:09+00:00 Master commit: 2ea484188c98978c1e9dddfaab1f7ab603f70ec3 The following pull requests are currently test merged: #8959: 'Speech bubble update' by Blundir at commit 42361441ef #7703: 'Hivelord Strain: Designer [Ver. 0.5]' by Venuska1117 at commit 8e9593b401 #7023: 'Research Rework Part Two: The Contract System.' by kiVts at commit 617c1f261d #7511: 'Weyland-Yutani Intranet Terminal' by realforest2001 at commit 95701e6ec2 #8226: 'Project ARES: Turret IFF Controls' by realforest2001 at commit 36c550d70f #8963: 'Ports tacmap port from PVE' by Git-Nivrak at commit a272484dc7

### Round ID

27300

### Description of the bug

rounds in the medical tutorial can be skipped by various methods of making the patients medevacable, namely peridaxon OD

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

while tutorials only need safety rails to stop people accidentally breaking them, people doing this can spawn inordinate amounts of human mobs just to delete them which places undue performance strain on the server.

### How do we reproduce this bug?

1. overdose all active patients
2. medevac them
3. next round starts.

### 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)