wayland: Improve font setting fallback
When we don't get stettings from the portal, the current fallback is 'awful fonts'. There is no need for that. Instead, set the fallback values to grayscale antialiasing with slight hinting.
When we don't get stettings from the portal, the current fallback is 'awful fonts'. There is no need for that. Instead, set the fallback values to grayscale antialiasing with slight hinting.