Minecolonies version

Version: 0.10.109-RELEASE

Expected behavior

• The builder should go in and out easy.

Actual behaviour

• The Builder gets stuck in the Builders' Hut can't get out again, if he/she gets in.
  

Steps to reproduce the problem

1. Build a Builders' Hut with Birch
2. Upgrade it to Birch Level 2
3. Let citizen get inside of it
4. He/she's bugged inside.

Please upgrade