Function payment_supports_mpp

plugins/libplugin-pay.c:3508–3511

}

static bool payment_supports_mpp(struct payment *p)
{
	return feature_offered(p->features, OPT_BASIC_MPP);
}

/* Return fuzzed amount ~= target, but never exceeding max */
static struct amount_msat fuzzed_near(struct amount_msat target,