Фикс блока ближних атак (#801)

Content.Shared/_White/Blocking/MeleeBlockSystem.cs

@@ -11,6 +11,7 @@ using Content.Shared.Weapons.Melee;
 using Content.Shared.Weapons.Melee.Events;
 using Robust.Shared.Audio.Systems;
 using Robust.Shared.Timing;
+using Content.Shared.Mobs.Systems;
 
 namespace Content.Shared._White.Blocking;
 
@@ -21,6 +22,7 @@ public sealed class MeleeBlockSystem : EntitySystem
     [Dependency] private readonly SharedAudioSystem _audio = default!;
     [Dependency] private readonly SharedPopupSystem _popupSystem = default!;
     [Dependency] private readonly StatusEffectsSystem _statusEffect = default!;
+    [Dependency] private readonly MobStateSystem _mobStateSystem = default!;
 
     public override void Initialize()
     {
@@ -76,6 +78,9 @@ public sealed class MeleeBlockSystem : EntitySystem
         if (TryComp(uid.Value, out ItemToggleComponent? toggle) && !toggle.Activated)
             return;
 
+        if (!_mobStateSystem.IsAlive(ent))
+            return;
+
         _audio.PlayPredicted(block.BlockSound, ent, args.Attacker);
         _popupSystem.PopupPredicted(Loc.GetString("melee-block-event-blocked"), ent, args.Attacker);
         _damageable.TryChangeDamage(uid.Value, args.Damage);