LibWeb: Recognise MessagePort as a platform object in IDL generator

Author: https://github.com/Lubrsi
Commit: 280199fb08
Pull-request: https://github.com/SerenityOS/serenity/pull/21823
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/shannonbooth
Reviewed-by: https://github.com/trflynn89

Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp

@@ -42,6 +42,7 @@ static bool is_platform_object(Type const& type)
         "Instance"sv,
         "IntersectionObserverEntry"sv,
         "Memory"sv,
+        "MessagePort"sv,
         "Module"sv,
         "MutationRecord"sv,
         "NamedNodeMap"sv,