Renaming both inner and outer mixin classes only updates the outer class in projectname.mixins.json

### Minecraft Development for IntelliJ plugin version

2025.3-1.8.11

### IntelliJ version

2025.3.1

### Operating System

Windows 11

### Target platform

Mixins

### Description of the bug

### **How to reproduce**
- Have a mixin class with an inner mixin class
- Try to rename inner and outer class
- It only renames the outer class