Stairs dont place right

Put the summary of the bug you're having here
When you place stairs they dont turn or flip
What I expected to happen was...: the stairs turn
Describe what you thought should happen here
The stairs should turn
What actually happened was...: the stairs didnt move
Describe what happened here
the stairs dont move when you place them
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...place a stair
3. ...