fix color picker example

packages/tui/examples/colorpicker.rs

@@ -1,6 +1,7 @@
 use dioxus::core::RenderReturn;
 use dioxus::prelude::*;
 use dioxus_tui::query::Query;
+use dioxus_tui::DioxusElementToNodeId;
 use dioxus_tui::Size;
 
 fn main() {
@@ -11,6 +12,7 @@ fn app(cx: Scope) -> Element {
     let hue = use_state(cx, || 0.0);
     let brightness = use_state(cx, || 0.0);
     let tui_query: Query = cx.consume_context().unwrap();
+    let mapping: DioxusElementToNodeId = cx.consume_context().unwrap();
     // disable templates so that every node has an id and can be queried
     cx.render(rsx! {
         div{
@@ -19,7 +21,7 @@ fn app(cx: Scope) -> Element {
             onmousemove: move |evt| {
                 if let RenderReturn::Ready(node) = cx.root_node() {
                     if let Some(id) = node.root_ids.get(0){
-                        let node = tui_query.get(id);
+                        let node = tui_query.get(mapping.get_node_id(id).unwrap());
                         let Size{width, height} = node.size().unwrap();
                         let pos = evt.inner().element_coordinates();
                         hue.set((pos.x as f32/width as f32)*255.0);