added: call gc with NaN values at boundaries in MovingHorizonEstimator construction

[franckgaga]

It should help the user for debugging the implementation of the custom nonlinear inequality constraint function $\mathbf{g_c}$ in the MovingHorizonEstimator.

The function is tested with the growing windows (as it was already the case), and with the "correct" NaN values at the boundaries (the new feature), following the documentation in the extended help. A @warn is printed if there is any non-finite numbers in the LHS vector.

I also verify for any non-finite numbers in the equivalent feature of NonLinMPC.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.56%. Comparing base (571362a) to head (58ddf24).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #364   +/-   ##
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  Coverage   98.56%   98.56%           
=======================================
  Files          27       27           
  Lines        5418     5431   +13     
=======================================
+ Hits         5340     5353   +13     
  Misses         78       78           

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