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/Selection/Selection.cpp

@@ -13,7 +13,7 @@ namespace Web::Selection {
 
 JS::NonnullGCPtr<Selection> Selection::create(JS::NonnullGCPtr<JS::Realm> realm, JS::NonnullGCPtr<DOM::Document> document)
 {
-    return *realm->heap().allocate<Selection>(realm, realm, document);
+    return realm->heap().allocate<Selection>(realm, realm, document);
 }
 
 Selection::Selection(JS::NonnullGCPtr<JS::Realm> realm, JS::NonnullGCPtr<DOM::Document> document)