Adjust selection colours/display (#4811)

* Adjust selection colours to match with mui

* allow -> disable (simplify selections)

* Only use top-border

* Overlay selection line

* Slightly more muted unselected

* Restore address icon

js/src/ui/Form/AddressSelect/addressSelect.js

@@ -348,7 +348,6 @@ class AddressSelect extends Component {
     return (
       <AccountCard
         account={ account }
-        allowAddressClick
         balance={ balance }
         className={ styles.account }
         key={ `account_${index}` }