Decouple interactions from hands, cleanup old events, add new fears (#28393)

* ok basic shit

* second part

* pretend it isn't real it can't hurt you.

* 👁️ 👁️

* shadowcommander review

Content.Shared/Burial/BurialSystem.cs

@@ -83,10 +83,11 @@ public sealed class BurialSystem : EntitySystem
 
     private void OnActivate(EntityUid uid, GraveComponent component, ActivateInWorldEvent args)
     {
-        if (args.Handled)
+        if (args.Handled || !args.Complex)
             return;
 
         _popupSystem.PopupClient(Loc.GetString("grave-digging-requires-tool", ("grave", args.Target)), uid, args.User);
+        args.Handled = true;
     }
 
     private void OnGraveDigging(EntityUid uid, GraveComponent component, GraveDiggingDoAfterEvent args)