fix(acl): Host calculation with ACL is not correct (#6436)

For users with ACL, the SQL request get the list of all host / service couple and not only host list.

www/include/monitoring/status/HostGroups/xml/hostGroupXML.php

@@ -114,7 +114,7 @@
     $rq1 .= $searchStr .
             "GROUP BY hg.name, h.state";
 } else {
-    $rq1 = "SELECT hg.name as alias, h.state, count(h.host_id) AS nb " .
+    $rq1 = "SELECT hg.name as alias, h.state, count(DISTINCT h.host_id) AS nb " .
             "FROM centreon_acl acl, hosts_hostgroups hhg, hosts h, hostgroups hg " .
             "WHERE hg.hostgroup_id = hhg.hostgroup_id " .
             "AND hhg.host_id = h.host_id " .