fix: prevent ScopedFuture stopping owner cleanup (#3863)

Author: zakstucke

reactive_graph/src/computed/async_derived/arc_async_derived.rs

@@ -560,7 +560,7 @@ impl<T: 'static> ArcAsyncDerived<T> {
         };
         let initial_value = SendOption::new_local(initial_value);
         let (this, _) = spawn_derived!(
-            crate::spawn_local_scoped,
+            crate::spawn_local,
             initial_value,
             fun,
             true,
@@ -595,7 +595,7 @@ impl<T: 'static> ArcAsyncDerived<T> {
             async move { SendOption::new_local(Some(fut.await)) }
         };
         let (this, _) = spawn_derived!(
-            crate::spawn_local_scoped,
+            crate::spawn_local,
             initial,
             fun,
             false,

reactive_graph/src/lib.rs

@@ -138,6 +138,15 @@ pub fn spawn(task: impl Future<Output = ()> + Send + 'static) {
     any_spawner::Executor::spawn_local(task);
 }
 
+/// Calls [`Executor::spawn_local`](any_spawner::Executor::spawn_local), but ensures that the task also runs in the current arena, if
+/// multithreaded arena sandboxing is enabled.
+pub fn spawn_local(task: impl Future<Output = ()> + 'static) {
+    #[cfg(feature = "sandboxed-arenas")]
+    let task = owner::Sandboxed::new(task);
+
+    any_spawner::Executor::spawn_local(task);
+}
+
 /// Calls [`Executor::spawn_local`](any_spawner::Executor), but ensures that the task runs under the current reactive [`Owner`](crate::owner::Owner) and observer.
 ///
 /// Does not cancel the task if the owner is cleaned up.