Zombie World_Hide Out update [v4.2]

- Added Flash Grenade.

- Grenade pin pulling adjusted & add press trigger to release handle.

- Replaced a tent in the [Campsite Area].

- Infection timer will reset after been treated.

- Added sound for holstering the gun.

- Added collision sound for magazines.

- Other small fixes.

Zombie World_Hide Out ［4․2］ by J_Z_U (Vrchat)