Wrong plot_goodness_of_fit if different order of rows in measurement_df and simulation_df

[plakrisenko]

Currently there is no check in plot_goodness_of_fit that rows in measurement_df and simulation_df correspond to each other. And if they do not it messes up the plot.

For example, for the Isensee model from the benchmark collection

Wrong plot:

Correct plot:

[plakrisenko]

Actually, the second plot was still wrong 😄