Mobstate Refactor (#13389)

Refactors mobstate and moves mob health thresholds to their own component

Co-authored-by: DrSmugleaf <drsmugleaf@gmail.com>

Content.Server/Buckle/Systems/BuckleSystem.cs

@@ -4,7 +4,7 @@ using Content.Server.Pulling;
 using Content.Shared.ActionBlocker;
 using Content.Shared.Alert;
 using Content.Shared.Buckle;
-using Content.Shared.MobState.EntitySystems;
+using Content.Shared.Mobs.Systems;
 using JetBrains.Annotations;
 using Robust.Server.Containers;
 using Robust.Server.GameObjects;
@@ -23,7 +23,7 @@ public sealed partial class BuckleSystem : SharedBuckleSystem
     [Dependency] private readonly SharedAudioSystem _audio = default!;
     [Dependency] private readonly ContainerSystem _containers = default!;
     [Dependency] private readonly InteractionSystem _interactions = default!;
-    [Dependency] private readonly SharedMobStateSystem _mobState = default!;
+    [Dependency] private readonly MobStateSystem _mobState = default!;
     [Dependency] private readonly PopupSystem _popups = default!;
     [Dependency] private readonly PullingSystem _pulling = default!;
     [Dependency] private readonly Shared.Standing.StandingStateSystem _standing = default!;