SAK-44353 Group Manager and Date Manager do not change idiom (#8663)
(cherry picked from commit 3c26a209ab2a3d570e7b4b2e3df9f23ec7b80c36)
Conflicts:
site-manage/datemanager/tool/src/main/java/org/sakaiproject/datemanager/ThymeleafConfig.java
site-manage/site-group-manager/src/main/java/org/sakaiproject/groupmanager/config/ThymeleafConfig.java