LibJS: Convert Heap::allocate{,_without_realm}() to NonnullGCPtr

Author: https://github.com/linusg
Commit: 22089436ed
Pull-request: https://github.com/SerenityOS/serenity/pull/16498
Reviewed-by: https://github.com/trflynn89 ✅

Userland/Libraries/LibWeb/Fetch/Infrastructure/FetchController.cpp

@@ -15,7 +15,7 @@ FetchController::FetchController() = default;
 
 JS::NonnullGCPtr<FetchController> FetchController::create(JS::VM& vm)
 {
-    return { *vm.heap().allocate_without_realm<FetchController>() };
+    return vm.heap().allocate_without_realm<FetchController>();
 }
 
 void FetchController::visit_edges(JS::Cell::Visitor& visitor)