STEP loading is broken

**Describe the bug**
STEP files load time is huge compared event to freecad, also not all parts of STEP are loaded

**To Reproduce**
Just go load any complex STEP

**Expected behavior**
Fast load on par with freecad, all parts of STEP loaded

**Screenshots**
N/A

**Environment (please complete the following information):**
 - OS: Debian bookworm

**Additional context**
N/A
