feat(profiles): aggregate developer registrations

[goga-m]

Summary

Add support for profile.entityRegistrationAggregate().developers()

Checklist

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

[codecov]

Codecov Report

Merging #694 into master will increase coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #694      +/-   ##
==========================================
+ Coverage   63.00%   63.17%   +0.16%     
==========================================
  Files         104      104              
  Lines        2211     2213       +2     
  Branches      242      242              
==========================================
+ Hits         1393     1398       +5     
+ Misses        737      736       -1     
+ Partials       81       79       -2     

Flag	Coverage Δ
#unit	63.17% <100.00%> (+0.16%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ofiles/aggregates/entity-registration-aggregate.ts	75.00% <100.00%> (+3.57%)	⬆️
...kages/platform-sdk-profiles/src/helpers/promise.ts	62.50% <0.00%> (+4.16%)	⬆️
...ofiles/src/profiles/aggregates/entity-aggregate.ts	73.68% <0.00%> (+5.26%)	⬆️

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[faustbrian]

Closing this because there will be a proper implementation coming soon to support all types and sub-types.