Bug fixes

1) Fixed a bug "disappearance of the switch"
2) Fixed a bug "failing items"
3) Fixed a bug "flickering items"
4) Fixed a bug "jumping items"
5) Fixed a bug "getting stuck in walls"
6) Fixed a bug "milk is unsaleable"
7) Fixed a bug "bandits shoot at their own"
8) Fixed a bug "the loan is not issued after 20 days"
9) Fixed a bug "the game is not saved after 60 days"
10) Fixed a bug "customers slide on the surface"
11) Fixed a bug "when re-entering, the night disappears"