LP: Allow to create a LP in a session inside a base course category

The config "allow_session_lp_category" is required.

BT#18132

main/lp/learnpath.class.php

@@ -12454,21 +12454,21 @@ EOD;
             $cats = [get_lang('SelectACategory')];
         }
 
-        $checkSession = false;
+        /*$checkSession = false;
         $sessionId = api_get_session_id();
         if (api_get_configuration_value('allow_session_lp_category')) {
             $checkSession = true;
-        }
+        }*/
 
         if (!empty($items)) {
             foreach ($items as $cat) {
                 $categoryId = $cat->getId();
-                if ($checkSession) {
+                /*if ($checkSession) {
                     $inSession = self::getCategorySessionId($categoryId);
                     if ($inSession != $sessionId) {
                         continue;
                     }
-                }
+                }*/
                 $cats[$categoryId] = $cat->getName();
             }
         }

main/lp/lp_add.php

@@ -36,6 +36,7 @@ function activate_end_date() {
 $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
 $isStudentView = isset($_REQUEST['isStudentView']) ? $_REQUEST['isStudentView'] : null;
 $learnpath_id = isset($_REQUEST['lp_id']) ? $_REQUEST['lp_id'] : null;
+$sessionId = api_get_session_id();
 
 if (!$is_allowed_to_edit || $isStudentView) {
     header('location:lp_controller.php?action=view&lp_id='.$learnpath_id.'&'.api_get_cidreq());