Реворк экспедиций (#360)

* - add: Expedition rework.

* - tweak: Hardsuit tweak.

Content.Shared/Weapons/Marker/SharedDamageMarkerSystem.cs

@@ -1,4 +1,5 @@
 using Content.Shared.Damage;
+using Content.Shared.Mobs.Systems;
 using Content.Shared.Projectiles;
 using Content.Shared.Weapons.Melee.Events;
 using Robust.Shared.Audio;
@@ -15,6 +16,7 @@ public abstract class SharedDamageMarkerSystem : EntitySystem
     [Dependency] private readonly INetManager _netManager = default!;
     [Dependency] private readonly SharedAudioSystem _audio = default!;
     [Dependency] private readonly DamageableSystem _damageable = default!;
+    [Dependency] private readonly MobStateSystem _mobState = default!; // WD
 
     public override void Initialize()
     {
@@ -32,7 +34,7 @@ public abstract class SharedDamageMarkerSystem : EntitySystem
         RemCompDeferred<DamageMarkerComponent>(uid);
         _audio.PlayPredicted(component.Sound, uid, args.User);
 
-        if (TryComp<LeechOnMarkerComponent>(args.Used, out var leech))
+        if (TryComp<LeechOnMarkerComponent>(args.Used, out var leech) && !_mobState.IsDead(uid)) // WD EDIT
         {
             _damageable.TryChangeDamage(args.User, leech.Leech, true, false, origin: args.Used);
         }