[Cashtab] [Alias] pt 13 - real time alias char length and registration fee display

Summary:
T2551
T2948

This is a standalone diff that displays the char count and registration fee for the alias input in real time.

Also removed a bug where an alias that's already been taken is temporarily rendered as (pending) on the Registered Alias section in Alias.js upon the dupicate alias error notification.

[Cashtab] [Alias] pt 1 - Create scaffold for new Alias component
[Cashtab] [Alias] pt 2 - Upgrade sendXec() to handle alias registration
[Cashtab] [Alias] pt 3 - Implement isAliasAvailable function
[Cashtab] [Alias] pt 4 - Implement isAddressRegistered function
[Cashtab] [Alias] pt 5 - Implement getAddressFromAlias function
[Cashtab] [Alias] pt 6.1 - Get latest alias tx count from payment address
[Cashtab] [Alias] pt 6.1.1 - Apply Promise.All approach for alias history retrieval
[Cashtab] [Alias] pt 6.2 - Implement getAliasesFromLocalForage
[Cashtab] [Alias] pt 6.3 - Implement updateAliases
[Cashtab] [Alias] pt 6.4 - Update getAliases() to extract both alias and address
[Cashtab] [Alias] pt 6.5 - Optimize getAllTxHistory to only make API calls for uncached tx history pages
[Cashtab] [Alias] pt 6.6 - Render list of Aliases owned by active wallet in Alias.js
[Cashtab] [Alias] pt 7 - Mitigate edge cases for registration records
[Cashtab] [Alias] pt 8 - Activation flag in prod
[Cashtab] [Alias] pt 9 - Retain tokenInfoById upon alias validation
--stacked diff cutoff--
[Cashtab] [Alias] pt 10 - Enable alias inputs for one to one Send XEC txs
[Cashtab] [Alias] pt 11 - Enable alias inputs for Send Token txs
[Cashtab] [Alias] pt 12 - Upgrade tx history to recognize alias registration txs
[Cashtab] [Alias] pt 13 -real time alias char length and registration fee display
[Cashtab] [Alias] pt 14 - Frontend bytesize validation
--closed beta--
[Cashtab] [Alias] pt 15 - Pre-prod update (add p2sh parsing, set final registration fees, remove residual dev logs, test in extension mode and enable prod flag)
[Cashtab] [Alias] pt 16 - Port Alias feature to Cashtab extension
--post mvp---
[Cashtab] [Alias] - Enable alias parsing without the .xec extension
[Cashtab] [Alias] - Optimize isAliasAvailable to take cached tx history as input
[Cashtab] [Alias] - Add active wallet's aliases to caching mechanism
[Cashtab] [Alias] - Resolve special characters processing in node app

Test Plan:

• npm test
• set aliasEnabled to true
• npm start
• test with registering an alias under 8 chars and verify character length and registration fee displayed under the input field
• test with an alias 8 chars and above and verify character length and registration fee displayed under the input field
• test with something similar to 🙈🙉🙊 and verify 6 character length costing 5.53
• set aliasEnabled to false and ensure no regression to app

Reviewers: bytesofman, #bitcoin_abc

Reviewed By: bytesofman, #bitcoin_abc

Differential Revision: https://reviews.bitcoinabc.org/D13174