#1680 Clear sort filter works partially in prospects list
Merge branch '1680' of github.com:aspangaro/dolibarr into aspangaro-1680

Conflicts:
	htdocs/comm/propal/list.php
Merge branch 'aspangaro-1680' into 3.7
Merge branch '3.7' of git@github.com:Dolibarr/dolibarr.git into 3.7