[WOOMOB-1515] - Format booking duration following web's logic#14760

hichamboushaba merged 3 commits intotrunkwoocommerce/woocommerce-android:trunkfrom

issue/WOOMOB-1515_booking_durationwoocommerce/woocommerce-android:issue/WOOMOB-1515_booking_durationCopy head branch name to clipboard