refactor(profiles): use UUID as wallet identifier

[faustbrian]

Resolves #421

[codecov]

Codecov Report

Merging #423 into master will increase coverage by 0.16%.
The diff coverage is 92.30%.

@@            Coverage Diff             @@
##           master     #423      +/-   ##
==========================================
+ Coverage   72.20%   72.36%   +0.16%     
==========================================
  Files          47       47              
  Lines         831      836       +5     
  Branches       49       49              
==========================================
+ Hits          600      605       +5     
  Misses        213      213              
  Partials       18       18              

Flag	Coverage Δ
#unit	72.36% <92.30%> (+0.16%)	⬆️

Impacted Files	Coverage Δ
packages/platform-sdk-profiles/src/env.ts	86.04% <ø> (ø)
...sdk-profiles/src/repositories/wallet-repository.ts	84.61% <87.50%> (+0.83%)	⬆️
...dk-profiles/src/repositories/contact-repository.ts	96.42% <100.00%> (ø)
packages/platform-sdk-profiles/src/wallet.ts	90.47% <100.00%> (+0.73%)	⬆️

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