Retractable items system + Arm Blade action (#38150)

Content.Shared/Interaction/SharedInteractionSystem.cs

@@ -215,7 +215,10 @@ namespace Content.Shared.Interaction
         /// </summary>
         private void OnRemoveAttempt(EntityUid uid, UnremoveableComponent item, ContainerGettingRemovedAttemptEvent args)
         {
-            args.Cancel();
+            // don't prevent the server state for the container from being applied to the client correctly
+            // otherwise this will cause an error if the client predicts adding UnremoveableComponent
+            if (!_gameTiming.ApplyingState)
+                args.Cancel();
         }
 
         /// <summary>