non-jira: Tag as 9.4.3
Added tag OpenOLAT 9.4.3 for changeset 36ca9a3fc97b
OO-1186: ureq can be null with JMS event
OO-1185: escape & and < character to be correct in the text version of the e-mail
Merge OpenOLAT 9.4 to OpenOLAT default branch with c434af444bb4182f040a52a3610bece0fcf92191
OO-1184: remove duplicate lookup to bookmarks table in the author query,