Fix being able to play structure instruments while in crit/dead.

Fixes #4038

Content.Server/Instruments/InstrumentComponent.cs

@@ -292,26 +292,30 @@ namespace Content.Server.Instruments
 
         void IActivate.Activate(ActivateEventArgs eventArgs)
         {
-            if (Handheld || !eventArgs.User.TryGetComponent(out ActorComponent? actor)) return;
+            if (Handheld)
+                return;
 
-            if (InstrumentPlayer != null) return;
-
-            InstrumentPlayer = actor.PlayerSession;
-            OpenUserInterface(actor.PlayerSession);
+            InteractInstrument(eventArgs.User);
         }
 
         bool IUse.UseEntity(UseEntityEventArgs eventArgs)
         {
-            if (!eventArgs.User.TryGetComponent(out ActorComponent? actor)) return false;
-
-            if (InstrumentPlayer == actor.PlayerSession)
-            {
-                OpenUserInterface(actor.PlayerSession);
-            }
-
+            InteractInstrument(eventArgs.User);
             return false;
         }
 
+        private void InteractInstrument(IEntity user)
+        {
+            if (!user.TryGetComponent(out ActorComponent? actor)) return;
+
+            if (InstrumentPlayer != null || !EntitySystem.Get<ActionBlockerSystem>().CanInteract(user)) return;
+
+            InstrumentPlayer = actor.PlayerSession;
+            OpenUserInterface(InstrumentPlayer);
+
+            return;
+        }
+
         private void UserInterfaceOnClosed(IPlayerSession player)
         {
             if (Handheld || player != InstrumentPlayer) return;

Resources/Changelog/Parts/instrument_dead.yml

@@ -0,0 +1,4 @@
+author: Zumorica
+changes:
+  - type: Fix
+    message: Fix being able to play