feat(html): add scroll method to MountedData (#3722)

* feat(html): add `scroll` method to MountedData

* feat(desktop): implement `scroll` method for DesktopElement

* feat(liveview): implement `scroll` method for LiveviewElement

* feat(web): implement `scroll` method for web_sys::Element

* docs(examples): add new example for `scroll` method

* fix(web): remove unncecessary f64 cast (clippy)

* fix(interpreter): return missing boolean from js

* docs(example): unwrap result instead of discarding its error

* docs(examples): create scroll restoring example on routing

* fix clippy

---------

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/web/src/events/mounted.rs

@@ -83,6 +83,27 @@ impl dioxus_html::RenderedElementBacking for Synthetic<web_sys::Element> {
         Box::pin(async { Ok(()) })
     }
 
+    fn scroll(
+        &self,
+        coordinates: dioxus_html::geometry::PixelsVector2D,
+        behavior: dioxus_html::ScrollBehavior,
+    ) -> std::pin::Pin<Box<dyn std::future::Future<Output = dioxus_html::MountedResult<()>>>> {
+        let options = web_sys::ScrollToOptions::new();
+        options.set_top(coordinates.y);
+        options.set_left(coordinates.x);
+        match behavior {
+            dioxus_html::ScrollBehavior::Instant => {
+                options.set_behavior(web_sys::ScrollBehavior::Instant);
+            }
+            dioxus_html::ScrollBehavior::Smooth => {
+                options.set_behavior(web_sys::ScrollBehavior::Smooth);
+            }
+        }
+        self.event.scroll_with_scroll_to_options(&options);
+
+        Box::pin(async { Ok(()) })
+    }
+
     fn set_focus(
         &self,
         focus: bool,