Adding Features to the Feature Model via Quick Fix puts them into wrong place #207

What happened?

When using Quick Fix to add a feature to the feature model, the following error is displayed:

Another error is displayed when UNASSIGNED is empty, after its children have moved:

Then, when UNASSIGNED is empty and another feature is added via Quick Fix, it ends up in the same line as UNASSIGNED:

Subsequent features are then placed in the correct places

Relevant log output or stack trace

Steps to reproduce

1. Use Quick Fix to add a feature to the feature model
2. Move the feature into its correct position (Do not delete UNASSIGNED)
3. Add another feature to the feature model using Quick Fix

Plugin version

0.2.5

Intellij version

2026.1.1

Operating System

None