Add mode to close dome using overcurrent only

[albireox]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 3 lines in your changes missing coverage. Please review.

Project coverage is 81.7%. Comparing base (cab8446) to head (66abc2c).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
python/lvmecp/dome.py	78.6%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main     #33     +/-   ##
=======================================
- Coverage   81.8%   81.7%   -0.0%     
=======================================
  Files         19      19             
  Lines        925     937     +12     
  Branches     134     137      +3     
=======================================
+ Hits         756     765      +9     
- Misses       103     104      +1     
- Partials      66      68      +2     

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