wwan: Port to use AdwPreferencesPage
And adapt to changes.
This helps avoid using widgets like AdwClamp as it will be handled by AdwPreferencesPage and AdwPreferencesGroup.
/cc @BrainBlasted
And adapt to changes.
This helps avoid using widgets like AdwClamp as it will be handled by AdwPreferencesPage and AdwPreferencesGroup.
/cc @BrainBlasted