fix: include missing query params in navigation when <ActionForm/> receives a redirect (#728)

Previous solution in #727 included manually inserted `?` when a leading
`?` is present automatically in `Url.search`.

router/src/components/form.rs

@@ -120,7 +120,10 @@ where
                                     Ok(url) => {
                                         request_animation_frame(move || {
                                             if let Err(e) = navigate(
-                                                &url.pathname,
+                                                &format!(
+                                                    "{}{}",
+                                                    url.pathname, url.search,
+                                                ),
                                                 Default::default(),
                                             ) {
                                                 warn!("{}", e);