Log progress of loading wal segment file

[zhangchiqing]

Log the progress of loading wal segment files and initialization during startup

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (f4df54c) 55.97% compared to head (9a016d8) 55.92%.
Report is 186 commits behind head on master.

Files	Patch %	Lines
module/executiondatasync/tracker/storage.go	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5367      +/-   ##
==========================================
- Coverage   55.97%   55.92%   -0.05%     
==========================================
  Files        1018     1024       +6     
  Lines       98189    98853     +664     
==========================================
+ Hits        54963    55288     +325     
- Misses      39108    39397     +289     
- Partials     4118     4168      +50     

Flag	Coverage Δ
unittests	55.92% <81.81%> (-0.05%)	⬇️

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