Improves position by stars logic and fixes that case: given 2 items with 5 stars and updating first's stars to 4 then it will be moved to #3.
Improves position by stars logic and fixes that case: given 2 items with 5 stars and updating first's stars to 4 then it will be moved to #3.

volontariat/voluntary_ranking,volontariat/voluntary_ranking,volontariat/voluntary_ranking