feat: allow dereferencing LocalResource to an AsyncDerived (see #4063)

leptos_server/src/local_resource.rs

@@ -20,7 +20,7 @@ use reactive_graph::{
 };
 use std::{
     future::{pending, Future, IntoFuture},
-    ops::DerefMut,
+    ops::{Deref, DerefMut},
     panic::Location,
 };
 
@@ -43,6 +43,14 @@ impl<T> Clone for ArcLocalResource<T> {
     }
 }
 
+impl<T> Deref for ArcLocalResource<T> {
+    type Target = ArcAsyncDerived<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.data
+    }
+}
+
 impl<T> ArcLocalResource<T> {
     /// Creates the resource.
     ///
@@ -269,6 +277,14 @@ pub struct LocalResource<T> {
     defined_at: &'static Location<'static>,
 }
 
+impl<T> Deref for LocalResource<T> {
+    type Target = AsyncDerived<T>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.data
+    }
+}
+
 impl<T> Clone for LocalResource<T> {
     fn clone(&self) -> Self {
         *self