LibJS+LibWeb: Wrap raw JS::Cell*/& fields in GCPtr/NonnullGCPtr

Author: https://github.com/mattco98
Commit: 7c0c1c8f49
Pull-request: https://github.com/SerenityOS/serenity/pull/17743
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibWeb/HTML/Scripting/ModuleMap.h

@@ -48,7 +48,7 @@ public:
 
     struct Entry {
         EntryType type;
-        JavaScriptModuleScript* module_script;
+        JS::GCPtr<JavaScriptModuleScript> module_script;
     };
 
     bool is_fetching(AK::URL const& url, DeprecatedString const& type) const;