As per T2977, this aligns the getAliasAndAddresses logic in chronik.js to the Alias Spec by accepting registration txs that have paid more than the designated fee for their alias' bytecount.

• npm test
• enable alias feature in ticker.js
• attempt to register 🤔 and ensure alias taken error is displayed
• attempt to register an unregistered emoji and ensure it is successfully registered, including sending to it via Send.js