Fix n_comp for fractionation including `components` argument

Fix fractionation plot with secondary axes

Move fill_fraction to helper method

Handle chromatograms with only single fraction

Set default fractionation state

Log exception with x values

Fix SolutionSolid.plot()

Only add legend if labels exist

Manually run callbacks at the end of each optimization for COBYLA

Always set axis labels when plotting

Support different notations for protons

Remove stray "show" argument (deprecated)

Return numpy array for ranked metrics

Add ProcessMeta dataclass

Fix floating point precision issues with section times