Fixeswoocommerce/woocommerce-admin#5294 and Automattic/woocommerce-paymentswoocommerce/woocommerce-admin#810 .
Changes:
* Update UsageModal UI to have two action buttons instead of 'Count me in' checkbox.
* Make UsageModal configurable with custom title, message and buttons text.
* Add customized modal to request site usage tracking after WC Payments KYC flow is completed.
* Move TaskList component up in directory tree.
* Render the TaskList on the new home screen.
* Render single tasks in isolation on new home screen.
* Fix "is requesting" selection for options API.
* Add loading placeholder for TaskList.
* Add initial test for the task list on the home screen.
* Fix dynamic imports under test.
* Add test for inline TaskList on home screen.
* Test that single task view works on new home screen.
* Restore Jest mocks between tests.
* Fix linting errors.