Add BlobHeader integrity validation

[koujl]

Implement CRC32 hash integrity check for BlobHeader to prevent crashes caused by faults in critical fields (size/algorithm...).

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 53.84615% with 12 lines in your changes missing coverage. Please review.

Project coverage is 62.24%. Comparing base (1746bcc) to head (942c9f4).
Report is 44 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lib/homestore_backend/hs_homeobject.hpp	54.16%	9 Missing and 2 partials ⚠️
src/lib/homestore_backend/hs_blob_manager.cpp	50.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #265      +/-   ##
==========================================
- Coverage   63.15%   62.24%   -0.91%     
==========================================
  Files          32       33       +1     
  Lines        1900     2633     +733     
  Branches      204      315     +111     
==========================================
+ Hits         1200     1639     +439     
- Misses        600      828     +228     
- Partials      100      166      +66     

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[JacksonYao287]

we should use the same hash_algorithm between valid and seal , right?
seal is now always using crc32, so other hash_algorithm does not make sense to valid.

I mean can we add a member to indicate the hash_algorithm, and valid and seal will share it

[koujl]

Good catch, will fix in the next push.

[koujl]

https://github.com/eBay/HomeObject/compare/43b9bdeec20fb53b9e8ba3fe5833e3dd23cc1c1c..942c9f40d43c9824192564c47db9108cf06f77cf

[yuwmao]

LGTM