[Provider Model] Carrie Wi-Fi offload toggle request (panel)

- Do not set Carrier Network together when setting Mobile Data, if
carrner network provision enabled.

Bug: 182324921
Test: manual test
atest -c ProviderModelSliceTest
make RunSettingsRoboTests ROBOTEST_FILTER=WifiScanWorkerTest

Change-Id: Ic8b77fd7b43372f077ba1c8be8fd9a7c3bcff197