clothing repair results in crash

### Describe the bug

game crashes after repairing or reinforcing clothing

### Attach save file

[Windermere-trimmed.tar.gz](https://github.com/CleverRaven/Cataclysm-DDA/files/11034690/Windermere-trimmed.tar.gz)
[log.zip](https://github.com/CleverRaven/Cataclysm-DDA/files/11034691/log.zip)

### Steps to reproduce

try to repair or reinforce clothing while wearing it

### Expected behavior

i expected the game not to crash

### Screenshots

_No response_

### Versions and configuration

-os: windows 10
-game version: 0.G Gaiman
-graphics version:MSXotto+
-ingame language: english
-mods: none

### Additional context

_No response_

Start by reproducing the crash from the attached Windermere-trimmed.tar.gz save while repairing or reinforcing worn clothing, then inspect log.zip for the failure details. Trace the clothing repair and reinforcement path from the reproduction until the crash is isolated. Done means both actions complete without crashing in the reported Windows 10, 0.G Gaiman configuration.

Written by the indexing model from the issue text.