Stateproof: avoid removing registry record if state proof keys exist

[algonathan]

Summary

Test Plan

[codecov]

Codecov Report

Attention: Patch coverage is 64.10256% with 14 lines in your changes missing coverage. Please review.

Project coverage is 53.92%. Comparing base (cd7c667) to head (e88d419).
Report is 197 commits behind head on feature/stateproofs-recoverability.

Files with missing lines	Patch %	Lines
data/account/registeryDbOps.go	63.63%	4 Missing and 4 partials ⚠️
data/account/participationRegistry.go	64.70%	3 Missing and 3 partials ⚠️

Additional details and impacted files

@@                          Coverage Diff                           @@
##           feature/stateproofs-recoverability    #5065      +/-   ##
======================================================================
+ Coverage                               53.90%   53.92%   +0.02%     
======================================================================
  Files                                     434      434              
  Lines                                   54617    54649      +32     
======================================================================
+ Hits                                    29441    29470      +29     
+ Misses                                  22884    22873      -11     
- Partials                                 2292     2306      +14     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.