fix: descriptor event in previous version not has nullable to parse error

[smellthemoon]

#34176

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[APPROVALNOTIFIER] This PR is NOT APPROVED

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[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 80.86%. Comparing base (96dcee5) to head (1b6a154).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #34235      +/-   ##
==========================================
+ Coverage   80.84%   80.86%   +0.01%     
==========================================
  Files        1085     1080       -5     
  Lines      137510   137865     +355     
==========================================
+ Hits       111171   111481     +310     
- Misses      22114    22156      +42     
- Partials     4225     4228       +3     

Files	Coverage Δ
internal/core/src/storage/DataCodec.cpp	71.66% <100.00%> (-2.53%)	⬇️
internal/core/src/storage/Event.h	80.00% <ø> (+7.27%)	⬆️
internal/core/src/storage/InsertData.cpp	84.00% <ø> (-0.32%)	⬇️
internal/storage/binlog_writer.go	85.00% <100.00%> (ø)
internal/core/src/storage/Event.cpp	80.47% <80.00%> (-1.21%)	⬇️
internal/storage/binlog_reader.go	89.47% <50.00%> (-3.26%)	⬇️
internal/storage/event_data.go	92.46% <84.61%> (-0.49%)	⬇️

... and 228 files with indirect coverage changes