Revert "feat(register): [PM-27084] Account Register Uses New Data Types"

[Patrick-Pimentel-Bitwarden]

Reverts #6715. Needs testing on feature branch, need to pull out of main.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.91%. Comparing base (8cb8030) to head (5eb88b1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6854      +/-   ##
==========================================
+ Coverage   56.01%   59.91%   +3.89%     
==========================================
  Files        1965     1965              
  Lines       87037    86886     -151     
  Branches     7765     7740      -25     
==========================================
+ Hits        48754    52057    +3303     
+ Misses      36473    32947    -3526     
- Partials     1810     1882      +72     

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