fourier - Does not respect pandas groups sort

[mdancho84]

Need to get this example working:

    import pandas as pd
    import pytimetk as tk

    df = tk.load_dataset('m4_daily', parse_dates=['date'])

   # Example 2 - Add Fourier transforms for groups
    fourier_df = (
        df
            .groupby("id")
            .augment_fourier(
                date_column='date',
                periods=[1, 7],
                max_order=1
            )
    )
    fourier_df

[mdancho84]

Fixed