nightlight state is not reset to be disabled if location is unknown
Steps to reproduce:
1.Enter "Settings->Displays->Night Light" 2.Turn on the Night Light,schedule is "Sunset to Sunrise",the screen color doesn't change 3.Change schedule to "Manual Schedule" 4.Change times that include the present time,the screen color changes to night light 5.Change schedule to "Sunset to Sunrise",the screen color is still night light
The settings of "Manual Schedule" will not influence "Sunset to Sunrise"
"Sunset to Sunrise" will be influenced by "Manual Schedule"
$ gnome-control-center --version gnome-control-center 40.0 $ gnome-shell --version GNOME Shell 40.2