feat: wire up event delegator for webview

examples/basic.rs

@@ -5,10 +5,9 @@ fn main() {
         use dioxus_elements::{GlobalAttributes, SvgAttributes};
         __cx.element(
             dioxus_elements::button,
-            __cx.bump()
-                .alloc([dioxus::events::on::onclick(__cx, move |_| {})]),
-            __cx.bump().alloc([]),
-            __cx.bump().alloc([]),
+            [dioxus::events::on::onclick(__cx, move |_| {})],
+            [],
+            [],
             None,
         )
     });