Left extruder mount heat-set geometry is off on the Stealthfork main bodies

The geometry is off on the left extruder mount heat set on both the Stealthfork main bodies (O2 and Sherpa). Makes aligning and installing that insert more difficult.

 See picture below:

<img width="661" height="786" alt="Image" src="https://github.com/user-attachments/assets/6289ea75-32d2-473f-8429-feab0c8ca1a3" />