LibJS+LibWeb: Use the unified Visitor for Variant-holding members

Author: https://github.com/Lubrsi
Commit: de35994fc2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/9303
Reviewed-by: https://github.com/gmta

Libraries/LibWeb/HTML/Scripting/ModuleScript.cpp

@@ -318,9 +318,7 @@ WebIDL::Promise* ModuleScript::run(PreventErrorReporting prevent_error_reporting
 void ModuleScript::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);
-    m_record.visit(
-        [&](Empty) {},
-        [&](auto record) { visitor.visit(record); });
+    visitor.visit(m_record);
 }
 
 }