Use spec-aligned process for resolving history handling during navigation (#34747)

Makes use of the is_initial_about_blank property on Document in order to
determine whether the navigation should create a history entry, or replace
the current history entry.

Signed-off-by: Shane Handley <shanehandley@fastmail.com>

components/script/dom/node.rs

@@ -2360,6 +2360,7 @@ impl Node {
                     None,
                     document.status_code(),
                     Default::default(),
+                    false,
                     can_gc,
                 );
                 DomRoot::upcast::<Node>(document)