Fix misc virtual item issues (#5980)

Content.Shared/Hands/SharedHandVirtualItemSystem.cs

@@ -1,4 +1,5 @@
-using Content.Shared.Hands.Components;
+using Content.Shared.Hands.Components;
+using Content.Shared.Interaction;
 using Content.Shared.Inventory.Events;
 using Robust.Shared.GameObjects;
 
@@ -11,10 +12,33 @@ public abstract class SharedHandVirtualItemSystem : EntitySystem
         base.Initialize();
 
         SubscribeLocalEvent<HandVirtualItemComponent, BeingEquippedAttemptEvent>(OnBeingEquippedAttempt);
+        SubscribeLocalEvent<HandVirtualItemComponent, BeforeInteractEvent>(HandleBeforeInteract);
     }
 
     private void OnBeingEquippedAttempt(EntityUid uid, HandVirtualItemComponent component, BeingEquippedAttemptEvent args)
     {
         args.Cancel();
     }
+
+    private static void HandleBeforeInteract(
+        EntityUid uid,
+        HandVirtualItemComponent component,
+        BeforeInteractEvent args)
+    {
+        // No interactions with a virtual item, please.
+        args.Handled = true;
+    }
+
+    /// <summary>
+    ///     Queues a deletion for a virtual item and notifies the blocking entity and user.
+    /// </summary>
+    public void Delete(HandVirtualItemComponent comp, EntityUid user)
+    {
+        var userEv = new VirtualItemDeletedEvent(comp.BlockingEntity, user);
+        RaiseLocalEvent(user, userEv, false);
+        var targEv = new VirtualItemDeletedEvent(comp.BlockingEntity, user);
+        RaiseLocalEvent(comp.BlockingEntity, targEv, false);
+
+        EntityManager.QueueDeleteEntity(comp.Owner);
+    }
 }