Use best_weights index for draws
Use best_weights index for draws

This index is the same as that of household_freqs, but is
already aligned with the weights. The h_pums index is not
aligned with the weights, which causing a misalignment during
the draw.

UDST/synthpop,hanase/synthpop,sfcta/synthpop,synthicity/synthpop,bhargavasana/synthpop,SEMCOG/synthpop