Add support for runtime (non-serializable) chores sync

Added MultiplayerMod.Multiplayer.World.Data.WorldState for syncing non-serializable data (not included in save data)
Added temporary restriction for IdleStates to sync only spawned entities
Disabled IdleChore instantiation on clients
Added multiplayer objects persistence (objects aren't cleared on game sync)
Merged multiplayer id with internal ids
Added DI support for static fields / properties

onimp / oni_multiplayer