codify "platform" into resolution logic, server-fn/fullstack overhaul (#4596)

overhaul dioxus fullstack using a new implementation of server_fn

This PR is a complete rewrite of dioxus fullstack designed to improve compatibility with axum and to fix a number of compilation errors based on feature flag unification plumbing through macros.

packages/router/src/components/router.rs

@@ -1,7 +1,6 @@
 use crate::{provide_router_context, routable::Routable, router_cfg::RouterConfig, Outlet};
 use dioxus_core::{provide_context, use_hook, Callback, Element};
 use dioxus_core_macro::{rsx, Props};
-use dioxus_signals::{GlobalSignal, Owner, ReadableExt};
 
 /// The props for [`Router`].
 #[derive(Props)]
@@ -43,7 +42,7 @@ pub fn Router<R: Routable + Clone>(props: RouterProps<R>) -> Element {
 
     #[cfg(feature = "streaming")]
     dioxus_hooks::use_after_suspense_resolved(|| {
-        dioxus_fullstack_hooks::commit_initial_chunk();
+        dioxus_fullstack_core::commit_initial_chunk();
     });
 
     use_hook(|| {