fix: persist pv on reboot

[guilhem]

CSI don't detach pv on node reboot.
csiattachement still exists even if pv have been removed. Persist on reboot permit to have same behavior as all other clouds.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.67%. Comparing base (b4710c9) to head (f1a5b8e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #426      +/-   ##
==========================================
- Coverage   70.69%   70.67%   -0.03%     
==========================================
  Files          24       24              
  Lines        2761     2759       -2     
==========================================
- Hits         1952     1950       -2     
  Misses        681      681              
  Partials      128      128              

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