renderFilter form action query fix
renderFilter form action query fix

Fixes #3716 and #3999. Also it fixes the pager issue - If you have some filters applied and you are not on first page when you select new filter value you could see empty grid because page param is not reset (new results count could be less than for previous selection).
javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle