Fixes the ability to unweld inside containers (#1360)

Content.Server/GameObjects/Components/Items/Storage/EntityStorageComponent.cs

@@ -357,12 +357,19 @@ namespace Content.Server.GameObjects.Components
             if (!CanWeldShut)
                 return false;
 
+            if (_contents.Contains(eventArgs.User))
+            {
+                Owner.PopupMessage(eventArgs.User, Loc.GetString("It's too Cramped!"));
+                return false;
+            }
+
             if (!eventArgs.Using.TryGetComponent(out WelderComponent tool))
                 return false;
 
             if (!tool.UseTool(eventArgs.User, Owner, ToolQuality.Welding, 1f))
                 return false;
 
+
             IsWeldedShut ^= true;
             return true;
         }