LDEV-3926: Updating to suit sliding progress bar. Mindmap uses a non-standard flag to indicate monitoring mode in learning for multi user mindmaps, so use the hideProgressBar override to hide it in monitoring.
LDEV-3916: Tweaking the page layout so that the pager knows that the end of the page has been reached, otherwise it thinks it can get more message for the page and ends up loading all the messages in the thread when the page is first opened.
