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/hooks/src/use_resource.rs

@@ -30,7 +30,7 @@ where
 
     let cb = use_callback(move || {
         // Create the user's task
-        let fut = rc.run_in(&mut future);
+        let fut = rc.reset_and_run_in(&mut future);
 
         // Spawn a wrapper task that polls the inner future and watch its dependencies
         spawn(async move {