Merge branch 'upstream' into fix-non-str-attributes

packages/web/src/dom.rs

@@ -351,8 +351,6 @@ fn read_input_to_data(target: Element) -> Rc<FormData> {
 }
 
 fn walk_event_for_id(event: &web_sys::Event) -> Option<(ElementId, web_sys::Element)> {
-    use wasm_bindgen::JsCast;
-
     let mut target = event
         .target()
         .expect("missing target")