Pass cosmetic attrs through to `Potential` objects about openff-interchange HOT 3 CLOSED

def to_interchange(ff, top):
    inter = openff.interchange.Interchange.from_smirnoff(ff, top)

    for col_k, col_v in inter.collections.items():
        for pot_k, pot_v in col_v.potentials.items():
            if " " not in pot_k.id:
                handler = ff[pot_k.associated_handler]
                param = handler[pot_k.id]
            else:
                smirks, lp, match = pot_k.id.split(" ")
                handler = ff["VirtualSites"]
                (param,) = handler.get_parameter(
                    {"smirks": smirks, "name": lp, "match": match}
                )

            if not hasattr(param, "_cosmetic_attribs"):
                continue

            for attr in param._cosmetic_attribs:
                pot_v.parameters[attr] = getattr(param, f"_{attr}")

    return inter