[Commerce App] Add pagination, loading indicator and refresh button for the lists

[agneszitte]

What is this needed to be done:

For CommerceApp lists

• [x] Adjust mock data in order to have more items to display
• [x] Add pagination + loading indicator
• [x] Add a refresh button in the CommandBar

Doc reference:

Refer to this documentation and samples from @dr1rrb.

For which Platform:

• [X] All

[agneszitte]

Is this issue still relevant lately @kazo0 ?