#7081859 Add Transfer details to the domain settings page for incoming transfers

Changes proposed in this Pull Request

This PR adds the transfer current details for an incoming transfer – also enabling the user to start a transfer.
This is part of the domain settings pages redesign project detailed in pcYYhz-m2-p2.

Preview

Pending start – not owner

Pending start – owner

In progress

Failed – not owner

Failed – owner

Testing instructions

• Build this branch locally or open the live Calypso link
  • If you’re in the live Calypso link, please append ?flags=domains/settings-page-redesign to your URL to enable the appropriate feature flag;
• Go to “Upgrades > Domains”;
• Select any domain transfer not yet completed (inbound);
• Confirm that:
  • If the transfer is pending start:
    • If you are the domain owner, you should see the “Start Transfer” button as in the screenshot.
    • If you’re not the owner, then you should only see a message referring to the domain’s owner.
  • If the transfer was canceled:
    • If you are the domain owner, you should see the message describing the possible steps.
    • If you’re not the owner, then you should only see a message referring to the domain’s owner.
  • If the transfer is ongoing, then you should see the same message as in the screenshot.