LDEV-4375 Prevent IE from printing "false" in the backgroundIE forces background page to become blank and contain "false" word onopening monitor interface. It happens due to functionopenMonitor(courseId, lsid) returns false at the end.
LDEV-4195 Fix class cast exceptionInput for assigning course groups to lesson groups can be eithergrouping or branching. We need to detect both situations, otherwise weget class cast exceptions.Also adjust layout.
LDEV-4379 Do not filter out duplicate questions in MCQCode was checking if the question being added does not have the sametext as an existing. This feature was removed as answers can bedifferent.
LDEV-4365 Implement duplicate lesson featureMoodle has a particular method that is called when duplicating an item. In such case, what it needs to do is create a new instance based on the lesson we had before and then copy the same settings.
