[Statistics/Behavioural] Detailed View and Double Data Entry - Site p…

…ermission fix (aces#6861)

Code refactorization of the functions _hasAccess and _checkCriteria.
Adds per projects permissions restrictions.

A user with permission data_entry should be now able to access the 'breakdown per participant' only for the sites and projects it have access to.

    Resolves aces#6659

modules/statistics/php/statistics_site.class.inc

@@ -115,6 +115,7 @@ class Statistics_Site extends \NDB_Menu
             if (!empty($list_of_permitted_sites)) {
                 $paramCenters = [];
                 $centerIDs    = [];
+
                 foreach ($list_of_permitted_sites as $key => $siteID) {
                     $paramCenters[] = ":paramSiteID$key";
                     $centerIDs["paramSiteID$key"] = $siteID;