Adds BallisticAmmoSelfRefillerComponent (#38537)

Adds BallisticAmmoSelfRefillerComponent (#38537)

* Adds BallisticAmmoSelfRefillerComponent

And uses it to replace battery-based refilling of the Syndicate L6 and Viper modules.

# Automagic Ballistic Ammo Refilling
- Add `BallisticAmmoSelfRefillerComponent`
- Handle `EmpPulseEvent` to pause refilling behavior for EMP's duration

# Supporting Changes
- Change `Content.Server.Weapons.Ranged.Systems.Update` override in `GunSystem.AutoFire.cs` to `UpdateAutoFire`
- Add `Content.Server.Weapons.Ranged.Systems.Update` to `GunSystem.cs` so that it can call `UpdateAutoFire` and `UpdateBallistic`
- Add public methods to GunSystem for use by refilling implementation
  - PauseSelfRefill
  - IsFullBallistic (same as #299)
  - CanInsertBallistic (same as #299)
  - TryBallisticInsert (same as #299)

* _timing -> Timing

* unspawned count stuff

* imagine building the code before pushing

* - apply to c20r ROW
- make predicted/shared

* revert server system import only changes

* oop

* o great and wise Slarti

* Scar comments

* field deltas + correct serializer

* review

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Co-authored-by: ScarKy0 <scarky0@onet.eu>