[FIX] point_of_sale: param for reconcile orders and payment

It has been argued that a regression took place because of e2efec8e
Before that commit, everything was reconciled together
After, only payments and orders with a partner set were

While that commit improved performances (there are much less move lines to reconcile),
it introduced an inconvenience business wise because of the noise created
by the unreconciled lines

This commit proposes to cut the pear in half by introducing an ir parameter
to choose between the two options

OPW 1883594
closes #26971