Fix read unwritten data

[eventhorizon-cli]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 84.21053% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.02%. Comparing base (1a3b570) to head (645d479).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/BufferQueue/Memory/MemoryBufferPartition.cs	69.23%	7 Missing and 1 partial ⚠️
src/BufferQueue/Memory/MemoryBufferSegment.cs	96.55%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##             main       #9      +/-   ##
==========================================
+ Coverage   83.14%   84.02%   +0.88%     
==========================================
  Files          19       19              
  Lines         540      551      +11     
  Branches      100      103       +3     
==========================================
+ Hits          449      463      +14     
+ Misses         59       57       -2     
+ Partials       32       31       -1     

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