Deduplicate reactive scope updates/Reset subscriptions on reruns/fix use memo double update (#2506)

* deduplicate effect updates

* only subscribe to signals read in the current run of reactive scopes

* subscribe to memo reads after recomputing the value

packages/core/src/generational_box.rs

@@ -9,7 +9,7 @@ use std::{
 
 use generational_box::{AnyStorage, Owner, SyncStorage, UnsyncStorage};
 
-use crate::{innerlude::current_scope_id, ScopeId};
+use crate::{innerlude::current_scope_id, Runtime, ScopeId};
 
 /// Run a closure with the given owner.
 ///
@@ -91,12 +91,6 @@ pub fn current_owner<S: AnyStorage>() -> Owner<S> {
 impl ScopeId {
     /// Get the owner for the current scope.
     pub fn owner<S: AnyStorage>(self) -> Owner<S> {
-        match self.has_context() {
-            Some(rt) => rt,
-            None => {
-                let owner = S::owner();
-                self.provide_context(owner)
-            }
-        }
+        Runtime::with_scope(self, |cx| cx.owner::<S>()).expect("to be in a dioxus runtime")
     }
 }