2597: Refactor ConnectMC with updated AccountCard

[joemcgill]

This is a POC PR to implement the AccountCard suggestions from #2640 (review) for the ConnectMC component created in #2639.

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 62.7%. Comparing base (7a4e40d) to head (c40800b).
Report is 69 commits behind head on update/2597-connect-mc-account.

Files with missing lines	Patch %	Lines
js/src/components/account-card/index.js	77.8%	2 Missing ⚠️

Additional details and impacted files

@@                      Coverage Diff                       @@
##           update/2597-connect-mc-account   #2657   +/-   ##
==============================================================
  Coverage                            62.7%   62.7%           
==============================================================
  Files                                 324     324           
  Lines                                5155    5161    +6     
  Branches                             1260    1265    +5     
==============================================================
+ Hits                                 3233    3237    +4     
- Misses                               1745    1747    +2     
  Partials                              177     177           

Flag	Coverage Δ
js-unit-tests	62.7% <77.8%> (+<0.1%)	⬆️

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Files with missing lines	Coverage Δ
js/src/components/account-card/index.js	91.9% <77.8%> (-4.9%)	⬇️

[asvinb]

Changes LGTM @joemcgill . Merging.