[backend] try catch during migration to handle corrupted notes (#15493)

[JeremyCloarec]

Proposed changes

• try catch during migration to handle corrupted notes

Related issues

• fix Notes with identical content and created date collide due to missing attribute_abstract in standard_id #15493

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 33.61%. Comparing base (2ff2889) to head (662fc45).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #15615   +/-   ##
=======================================
  Coverage   33.61%   33.61%           
=======================================
  Files        3189     3189           
  Lines      216746   216746           
  Branches    39951    39952    +1     
=======================================
  Hits        72856    72856           
  Misses     143890   143890           

Flag	Coverage Δ
opencti-client-python	45.60% <ø> (ø)
opencti-front	2.94% <ø> (ø)
opencti-graphql	70.11% <ø> (ø)

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[aHenryJard]

Looks good to me, tested locally it's running fine.