Cloning Refactor and bugfixes (#35555)

* cloning refactor

* cleanup and fixes

* don't pick from 0

* give dwarves the correct species

* fix dna and bloodstream reagent data cloning

* don't copy helmets

* be less redundant

Content.Server/Traits/Assorted/UnrevivableSystem.cs

@@ -0,0 +1,20 @@
+using Content.Shared.Cloning.Events;
+using Content.Shared.Traits.Assorted;
+
+namespace Content.Server.Traits.Assorted;
+
+public sealed class UnrevivableSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<UnrevivableComponent, CloningAttemptEvent>(OnCloningAttempt);
+    }
+
+    private void OnCloningAttempt(Entity<UnrevivableComponent> ent, ref CloningAttemptEvent args)
+    {
+        if (!ent.Comp.Cloneable)
+            args.Cancelled = true;
+    }
+}