Demo Patch Update 6.20

【Demo Patch Note -June 20】

1. Fixed the display problem in Production menu.
2. Fixed the issue that some players may encounter error in trip mine tutorial in Ch.1 Act3.
3. Fixed BGM in Simulation 2.
4. Fixed the issue that player cannot progress in tutorial without scanner in Ch.2 Act3.
5. Fixed the Painkiller upgrade description.