do not show personal bookings in the booking plans for study groups, fixes #102

classes/LernraumObject.trait.php

@@ -252,6 +252,7 @@ trait LernraumObject
 
             if (($is_study_group_booking && $user_in_study_group)
                 || (!$is_study_group_booking &&
+                    ($booking->range_id == $range_id) &&
                     ($booking->range_id == $GLOBALS['user']->id)))
             {
                 $booking_interval['color'] = '#ffbd33';