* WC: #479: Adding help icon and modal to unsupported block. Also putting original name in place of 'Unsupported'.

* WC: #479: Adding in unit tests for the component.

* WC: #479: Changing the help icon press surface to the whole block because the small icon was too hard to press. Also rearranging the BottomSheet to work the height paddings out correctly.

* WC: #479: Changing accessibility label and adding comment.

* WC: #479: Adding in text/buttons to match later design.

* WC: issue #479: Changing only the question mark icon to be tappable for the help block. Few color changes. Adding some text to the help block.

* Display 'unsupported' on all unsupported blocks on mobile

* Update the test snapshot of Unsupported block on mobile

* Need to mock styling on mobile

* Adjust tests to latest changes

* Display the block name in quotes, for clarity

* Dark mode of info text, title and description

* sprintf to compose string, separate strings per platform

* Wrap JSX in the grouping operator, as usual

* Remove dismiss button, not used in other bottom-sheets

* Remove unused import

* Revise sprintf format to green the linter

* Update tests after removing the Close button

* Wrap more JSX in the grouping operator, as usual

* Adjust the info-icon color

* Different colors for the icon on the sheet

* Remove local mock, using the global styleMock.js instead

* Enable testing both mobile platforms