Reply times can vary from time to time and be up to 24 hours Monday – Friday and up to 48 hours on weekends, Sat-Sun. But is usually faster than that.
Olga will be back to work after the weekend. Meanwhile, I will try to assist you. After adding the code, have you checked from real device or emulator?
“My footer field disappeared” what do you mean by this? Go to Appearance > Widgets > set the desired content into the Footer area.
