[feat] Temporarily blocks tui application refreshes

https://github.com/user-attachments/assets/afa7f533-e593-409a-9cd6-eda6fe638f34 As you can see from the video, lazygit refreshes the page periodically, causing flash mode and regex mode highlighting to be cleared. Maybe there should be a way to temporarily deny the app's refresh request, but I don't know. By the way, lazygit's refresh requests are not responded to in wezterm's quick select mode