[femutils] Use accelerator API in CsrFormat::translateToLinearSystem()

[grospelliergilles]

This will prevent some memory round trip between CPU and GPU.

[codecov]

Codecov Report

❌ Patch coverage is 85.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 69.52%. Comparing base (d0907b6) to head (e59235b).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
femutils/CsrFormatMatrix.cc	85.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #351   +/-   ##
=======================================
  Coverage   69.52%   69.52%           
=======================================
  Files         118      118           
  Lines       14704    14715   +11     
  Branches     1983     1983           
=======================================
+ Hits        10223    10231    +8     
- Misses       4025     4027    +2     
- Partials      456      457    +1     

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