move ScopeId methods to the runtime (#4723)

* move `ScopeId` methods to runtime methods

* cargo check unused

* wip...

* wip...

* fix consume context

* fix test

* guard hoisted

* fix doc comment

packages/signals/tests/subscribe.rs

@@ -61,7 +61,7 @@ fn reading_subscribes() {
             .counter
             .borrow_mut()
             .children
-            .entry(current_scope_id().unwrap())
+            .entry(current_scope_id())
             .or_default() += 1;
 
         rsx! {