[Woo POS] Add Compose card under cart and totals as per design

[kidinov]

Currently we show totals and cart in 2 different cards on the checkout state.

Branch off of this PR:
#11879

Put a compose card underneath both totals and cart screens, by changing WooPosHomeScreen

[dangermattic]

🚫 Please add a type label (e.g. type: enhancement) and a feature label (e.g. feature: stats) to this issue.

[backwardstruck]

The PR is in review but the requirements for this work have changed based on this discussion.