fix: no start time and end time for volume expansion progress

[wangyelei]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.39%. Comparing base (1602bfb) to head (2728e40).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8797      +/-   ##
==========================================
- Coverage   60.44%   60.39%   -0.05%     
==========================================
  Files         381      381              
  Lines       46212    46215       +3     
==========================================
- Hits        27931    27912      -19     
- Misses      15610    15643      +33     
+ Partials     2671     2660      -11     

Flag	Coverage Δ
unittests	60.39% <100.00%> (-0.05%)	⬇️

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[wangyelei]

/cherry-pick release-1.0-beta

[apecloud-bot]

🤖 says: cherry pick action finished successfully 🎉!
See: https://github.com/apecloud/kubeblocks/actions/runs/12744395967