feat: write current data to disk and poll next data from S3 at the same time

[lanlou1554]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 84.61538% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 89.08%. Comparing base (5de045a) to head (f5839fb).
Report is 7 commits behind head on main.

Files	Patch %	Lines
storage-node/src/disk/disk_manager.rs	84.61%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #42      +/-   ##
==========================================
+ Coverage   85.05%   89.08%   +4.03%     
==========================================
  Files          17       17              
  Lines        2027     2116      +89     
  Branches     2027     2116      +89     
==========================================
+ Hits         1724     1885     +161     
+ Misses        207      121      -86     
- Partials       96      110      +14     

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