Render Servo sidecar frames in shell

crates/ely_app/src/shell/focus.rs

@@ -0,0 +1,24 @@
+use gpui::{App, Context, FocusHandle, Focusable, Window};
+
+use super::{ElyShell, ShellState};
+
+impl ElyShell {
+    pub(super) fn sync_address_input(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let ShellState::Ready(core) = &mut self.state else {
+            return;
+        };
+
+        if let Ok(active_tab) = core.active_tab() {
+            let value = active_tab.url().as_str().to_string();
+            self.command_input.update(cx, |input, cx| {
+                input.set_value(value, window, cx);
+            });
+        }
+    }
+}
+
+impl Focusable for ElyShell {
+    fn focus_handle(&self, _: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}