Missing Health component icon on various pages

[ltfschoen]

Status icon (i.e. <Health />) should also be on the following pages.

• Create a new account (the first step page)
• Import account page
• Send Ether or Send THIBCoin transaction and password page

See https://github.com/paritytech/fether/pull/355#issuecomment-461547647

For example, it's not showing on the "Create a new account" page because we're only showing th Health component on create account steps when {step > 1 ? (

[amaury1093]

For example, it's not showing on the "Create a new account" page because we're only showing th Health component on create account steps when {step > 1 ? (

For this special case, it's because there's this footer

This could be solved by #389.

In general, I propose to make sure all screen-related footers (like feedback button) to be confined to the bottom right, so that we show the Health status on every page.