chore: support to rebuild instance from backup for sharding cluster

[wangyelei]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 60.87%. Comparing base (fd21c31) to head (cbe37fb).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/operations/rebuild_instance.go	68.18%	5 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8778      +/-   ##
==========================================
+ Coverage   60.50%   60.87%   +0.36%     
==========================================
  Files         378      378              
  Lines       45955    46115     +160     
==========================================
+ Hits        27807    28071     +264     
+ Misses      15505    15405     -100     
+ Partials     2643     2639       -4     

Flag	Coverage Δ
unittests	60.87% <75.00%> (+0.36%)	⬆️

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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/12704164321