perf: get more musics at once

sdgb-api/src/title/helper/mod.rs

@@ -28,7 +28,7 @@ pub async fn get_user_all_music(
             GetUserMusicApi {
                 user_id,
                 next_index: index.unwrap_or_default(),
-                max_count: 50,
+                max_count: 2000,
             },
         )
         .await?;