- Replace all references of `DroneWorkModeDef` with `MechWorkModeDef` in components and gizmos
- Delete `DroneWorkModeDef.cs` and remove related fields from `WulaDefOf`
- Update `WULA_AutonomousMech.xml` to use `JobGiver_DroneSelfShutdown` and correct mode names
- Remove redundant safety checks in `ThinkNode_ConditionalAutonomousWorkMode`
- Update WulaFallenEmpire assembly