Fix UI flickering when fetching bookings for the first time#14800

AdamGrzybkowski merged 2 commits intotrunkwoocommerce/woocommerce-android:trunkfrom

issue/WOOMOB-1559-fux-db-transaction-issue-for-bookingswoocommerce/woocommerce-android:issue/WOOMOB-1559-fux-db-transaction-issue-for-bookingsCopy head branch name to clipboard