gsd-power-manager: Connect to light sensor async
Otherwise unblanking the screen can take a long time until the sensor is claimed.
See https://gitlab.gnome.org/GNOME/gnome-settings-daemon/-/merge_requests/327
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Otherwise unblanking the screen can take a long time until the sensor is claimed.
See https://gitlab.gnome.org/GNOME/gnome-settings-daemon/-/merge_requests/327