1584 floating point problems when using DynamicNPIs with optimal control in ODE model

[MaxBetzDLR]

Changes and Information

Please briefly list the changes (main added features, changed items, or corrected bugs) made:

• When using DynamicNPIs with optimal control, the current setting could lead to extraordinarily small last time steps

If need be, add additional information and what the reviewer should look out for in particular:

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Closes #1584

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.47%. Comparing base (571e7bb) to head (c92fba9).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1585      +/-   ##
==========================================
+ Coverage   97.44%   97.47%   +0.02%     
==========================================
  Files         190      190              
  Lines       16030    16030              
==========================================
+ Hits        15621    15625       +4     
+ Misses        409      405       -4     

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[mknaranja]

Ok, with this minimal change, it is effectively only avoiding one last minimally-sized step. The remaining changes are just for correctness / explicitness of the template deduction if I am not mistaken. What do you think @HenrZu ?