Update DamageableSystem to modern standards (#39417)

* Update DamageableSystem to modern standards

* DamageContainerId -> DamageContainerID with lint flag

* Replace strings with protoids

* Make CVar subscription declarations all consistently whitespaced

* ChangeDamage -> TryChangeDamage, cope with C# jank

* Revert event signature changes

* Restore a comment

* Re-add two queries

* Init the queries

* Use appearanceQuery in DamageChanged

* Use damageableQuery in TryChangeDamage

* Use damageableQuery in SetDamageModifierSetId

* Final cleanup, fix sandboxing

* Rectify ExplosionSystem:::ProcessEntity's call to TryChangeDamage

* Re-organize DamageableSystem

* first big fuck you breaking change.

* THATS A LOT OF DAMAGE!!!

* Fix test fails

* test fixes 2

* push it

---------

Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>

Content.Server/Ninja/Systems/StunProviderSystem.cs

@@ -1,6 +1,6 @@
 using Content.Server.Ninja.Events;
 using Content.Server.Power.EntitySystems;
-using Content.Shared.Damage;
+using Content.Shared.Damage.Systems;
 using Content.Shared.Interaction;
 using Content.Shared.Ninja.Components;
 using Content.Shared.Ninja.Systems;
@@ -9,8 +9,6 @@ using Content.Shared.Stunnable;
 using Content.Shared.Timing;
 using Content.Shared.Whitelist;
 using Robust.Shared.Audio.Systems;
-using Robust.Shared.Timing;
-using Robust.Shared.Prototypes;
 
 namespace Content.Server.Ninja.Systems;
 
@@ -62,7 +60,7 @@ public sealed class StunProviderSystem : SharedStunProviderSystem
 
         _audio.PlayPvs(comp.Sound, target);
 
-        _damageable.TryChangeDamage(target, comp.StunDamage, false, true, null, origin: uid);
+        _damageable.ChangeDamage(target, comp.StunDamage, origin: uid);
         _stun.TryAddParalyzeDuration(target, comp.StunTime);
 
         // short cooldown to prevent instant stunlocking