fix(sync-v2): Fix n-ary search to handle reorgs during its execution

[msbrogli]

Motivation

The n-ary search executed by sync-v2 was not taking into consideration that a reorg might occur during the search as it runs multiple async queries on the connected peer.

Acceptance Criteria

1. Detect when a reorg occurs on the peer and stop the search. Notice that a new search will be executed on the next sync loop.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (bf0d0bc) 84.61% compared to head (c47f06e) 85.01%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #842      +/-   ##
==========================================
+ Coverage   84.61%   85.01%   +0.40%     
==========================================
  Files         271      271              
  Lines       22311    22368      +57     
  Branches     3406     3420      +14     
==========================================
+ Hits        18878    19017     +139     
+ Misses       2764     2675      -89     
- Partials      669      676       +7     

Files	Coverage Δ
hathor/builder/builder.py	91.10% <100.00%> (-0.21%)	⬇️
hathor/builder/cli_builder.py	74.48% <100.00%> (ø)
hathor/feature_activation/feature_service.py	98.09% <100.00%> (+0.56%)	⬆️
hathor/simulator/simulator.py	94.61% <100.00%> (+0.09%)	⬆️
hathor/transaction/base_transaction.py	94.02% <ø> (-0.13%)	⬇️
hathor/transaction/block.py	94.52% <100.00%> (+0.13%)	⬆️
hathor/transaction/exceptions.py	100.00% <100.00%> (ø)
hathor/transaction/transaction_metadata.py	92.26% <ø> (ø)
hathor/verification/verification_service.py	90.32% <100.00%> (+0.10%)	⬆️
hathor/verification/block_verifier.py	97.14% <88.88%> (-2.86%)	⬇️
... and 1 more

... and 4 files with indirect coverage changes

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