refactor(core-magistrate): make bridgechain genesis hash only unique per wallet

[air1one]

Summary

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[lgtm-com]

This pull request introduces 1 alert when merging 56a6508 into 021ad47 - view on LGTM.com

new alerts:

• 1 for Unused variable, import, function or class

[lgtm-com]

This pull request introduces 1 alert when merging e6514fa into 239f12e - view on LGTM.com

new alerts:

• 1 for Unused variable, import, function or class

[codecov]

Codecov Report

Merging #3523 into 2.6 will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              2.6    #3523      +/-   ##
==========================================
+ Coverage   66.10%   66.15%   +0.04%     
==========================================
  Files         440      440              
  Lines       12570    12473      -97     
  Branches     1733     1714      -19     
==========================================
- Hits         8309     8251      -58     
+ Misses       4227     4188      -39     
  Partials       34       34              

Impacted Files	Coverage Δ
...-transactions/src/handlers/business-resignation.ts	57.89% <0.00%> (ø)	⬆️
...te-transactions/src/handlers/bridgechain-update.ts	46.15% <0.00%> (+0.91%)	⬆️
...nsactions/src/handlers/bridgechain-registration.ts	71.18% <0.00%> (-1.37%)	⬇️

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