Unify minimizer category and switchable-selector API surface

[AndrewSazonov]

EasyDiffraction now uses the same compact shape everywhere the user picks an implementation — minimizer, peak profile, background, extinction correction, calculator backend, chart and table renderers, fitting mode.

[codecov]

Codecov Report

❌ Patch coverage is 91.66097% with 122 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.95%. Comparing base (883c384) to head (29baed1).
⚠️ Report is 86 commits behind head on develop.

Files with missing lines	Patch %	Lines
...easydiffraction/datablocks/experiment/item/base.py	74.57%	21 Missing and 9 partials ⚠️
src/easydiffraction/project/display.py	51.28%	17 Missing and 2 partials ⚠️
src/easydiffraction/analysis/analysis.py	92.82%	9 Missing and 6 partials ⚠️
src/easydiffraction/io/cif/serialize.py	71.11%	6 Missing and 7 partials ⚠️
src/easydiffraction/io/results_sidecar.py	87.09%	6 Missing and 6 partials ⚠️
...asydiffraction/project/categories/table/default.py	83.92%	6 Missing and 3 partials ⚠️
...ydiffraction/analysis/categories/minimizer/base.py	89.13%	2 Missing and 3 partials ⚠️
...tion/datablocks/experiment/categories/peak/base.py	87.09%	3 Missing and 1 partial ⚠️
...asydiffraction/project/categories/chart/default.py	93.22%	3 Missing and 1 partial ⚠️
src/easydiffraction/display/plotting.py	0.00%	3 Missing ⚠️
... and 6 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #180      +/-   ##
===========================================
+ Coverage    82.26%   85.95%   +3.69%     
===========================================
  Files           88      206     +118     
  Lines         5451    15730   +10279     
  Branches       454     1827    +1373     
===========================================
+ Hits          4484    13521    +9037     
- Misses         802     1513     +711     
- Partials       165      696     +531     

Flag	Coverage Δ
integration	71.77% <84.14%> (+1.82%)	⬆️
unittests	78.81% <86.32%> (+6.37%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/easydiffraction/analysis/__init__.py	100.00% <100.00%> (ø)
...rc/easydiffraction/analysis/categories/__init__.py	100.00% <100.00%> (ø)
...tion/analysis/categories/fit_parameters/default.py	100.00% <100.00%> (ø)
...ction/analysis/categories/fitting_mode/__init__.py	100.00% <100.00%> (ø)
...action/analysis/categories/fitting_mode/default.py	100.00% <100.00%> (ø)
...action/analysis/categories/fitting_mode/factory.py	100.00% <100.00%> (ø)
...fraction/analysis/categories/minimizer/__init__.py	100.00% <100.00%> (ø)
...diffraction/analysis/categories/minimizer/bumps.py	100.00% <100.00%> (ø)
...tion/analysis/categories/minimizer/bumps_amoeba.py	100.00% <100.00%> (ø)
...fraction/analysis/categories/minimizer/bumps_de.py	100.00% <100.00%> (ø)
... and 53 more

... and 153 files with indirect coverage changes

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