In Mail app add "load more" functionality in unified inbox page

• /e/ version:
• Device model(s):

Summary

Unified Inbox page doesn't load more items when go to bottom of the page. Add load more items functionality.

Description

What is the current behavior?

There is not footer button on the unified inbox list page

What is the improved behavior?

There is a functional button called Load more messages in All Inboxes page like it's done in the individual inboxes.

What does it bring?

UX improvement

Examples

Validation