This fixes :
* pagination only on /members and sometimes with bad page count,
* free members could not be searched (were always all displayed),
* all elements are displayed even if there is a pagination,
* for members without country, errors happened in some use case,
* when too much locations were on a map (>2000) it failed,
* numbers of members by countries was not displayed for guest.
And also as performance improvemnts:
* only query all partners when the map is enabled (customize > left
world map),
* limit partners put on the map to 2000 (even then it's a lot for
google maps),
* don't browse all membership_line to get res_partner but use a query.
opw-634653
5804246e0f