Enter amount currency selection button update enhancement

[bocyaj]

Suggest changing the currency selection button on found on all of the "Enter Amount" pages.

I did not realize I could switch the currency between CAD and NAV at first.

Suggest having a button kind of like this to emphasize that the balance can be switched between currency type:

or (have the selected currency highlighted in purple)

[Verrideo]

I was considering this one myself as well. Took me a bit to realise that you had to click it to change, it wasn't obvious enough for the end users.

[matt-auckland]

done