Stateproof: avoid removing registry record if state proof keys exist

[algonathan]

Summary

Test Plan

[codecov]

Codecov Report

Merging #5065 (e88d419) into feature/stateproofs-recoverability (cd7c667) will increase coverage by 0.02%.
The diff coverage is 64.10%.

@@                          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     

Impacted Files	Coverage Δ
data/account/registeryDbOps.go	72.18% <63.63%> (-1.67%)	⬇️
data/account/participationRegistry.go	77.64% <64.70%> (-0.86%)	⬇️
ledger/roundlru.go	90.56% <0.00%> (-5.67%)	⬇️
catchup/service.go	68.59% <0.00%> (-2.66%)	⬇️
ledger/testing/randomAccounts.go	55.65% <0.00%> (-1.23%)	⬇️
network/wsNetwork.go	64.74% <0.00%> (-0.45%)	⬇️
ledger/acctupdates.go	68.91% <0.00%> (-0.25%)	⬇️
ledger/blockqueue.go	88.50% <0.00%> (+2.87%)	⬆️
data/accountManager.go	53.57% <0.00%> (+36.90%)	⬆️

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