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.Server/Explosion/EntitySystems/TriggerSystem.cs

@@ -218,6 +218,9 @@ namespace Content.Server.Explosion.EntitySystems
 
         private void OnActivate(EntityUid uid, TriggerOnActivateComponent component, ActivateInWorldEvent args)
         {
+            if (args.Handled || !args.Complex)
+                return;
+
             Trigger(uid, args.User);
             args.Handled = true;
         }