Language dropdown with pixel flags in settings, title and login

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/main.rs

@@ -1024,10 +1024,12 @@ async fn main() {
                 }
             }
         }
-        if menu.scrollable() {
-            let (_, wheel) = mouse_wheel();
-            if wheel != 0.0 {
-                menu.scroll_lines(if wheel > 0.0 { -1 } else { 1 });
+        let (_, wheel) = mouse_wheel();
+        if wheel != 0.0 && menu.page.is_some() {
+            let d = if wheel > 0.0 { -1 } else { 1 };
+            // an open language dropdown scrolls first
+            if !menu.lang_wheel(d) && menu.scrollable() {
+                menu.scroll_lines(d);
             }
         }