Fix create exercise in course session - refs BT#9881 #TMI

main/exercice/exercise.class.php

@@ -81,6 +81,7 @@ class Exercise
         }
         $this->course_id = $course_info['real_id'];
         $this->course = $course_info;
+        $this->sessionId = api_get_session_id();
     }
 
     /**

main/inc/lib/api.lib.php

@@ -3730,7 +3730,7 @@ function api_item_property_update(
                                 visibility='$visibility',
                                 session_id = '$session_id' $set_type
                             WHERE $filter";
-                    Database::query($sql);
+                    $result = Database::query($sql);
                 } else {
                     $sql = "INSERT INTO $TABLE_ITEMPROPERTY (c_id, tool, ref, insert_date, insert_user_id, lastedit_date, lastedit_type, lastedit_user_id,$to_field, visibility, start_visible, end_visible, session_id)
                             VALUES ($course_id, '$tool', '$item_id', '$time', '$user_id', '$time', '$lastedit_type', '$user_id', '$to_value', '$visibility', '$start_visible', '$end_visible', '$session_id')";