Remove the optimization which loads the offers of published groups as it
seems that Hibernate 5.4 struggled with the join

Transfer metadata by copy / upload / download of zip files, unify copy
of streams, copy metadata during copy of courses, remove backwards
compatibility mode for import

Remove the course subscription of the members of the deleted business
groups

owned the area, add a warning in the area list of group if one of them
doesn't link to the course

curriculums in the services too

to show the relations to curriculums

status, all users, guests flags

to curriculum coaches and participants and assessment tool

places

organization, implement segment view for user visit card to better
inline in user management, implements several features for all roles
(allow enrollment, mandatory confirmation email by enrollment, allow
autocomplete, bulk changes...), add roles like lecture manager, quality
manager..., enhance the roles editor in user management

OO-3292: in course member management, add the member which come from the curriculum, refactor the queries to be more efficient and in their own "manager" class

OO-3489, OO-3490, OO-3491, OO-3495, OO-3499, OO-3500, OO-3501: finish the export process, delete files after zipping, send email... and more exported data

OO-3489, OO-3492, OO-3493, OO-3494, OO-3496, OO-3497: infrastructure to export user data, export  portraits, notes, personal folder, calendars, subscriptions, delete calendars after usser deletion

OO-3296: implement inheritance of specific roles in an organization structure (user manager, learn resource manager)

OO-3436: if the admin user is not configured or doesn't exist, do nothing but write a message in log

OO-3299: refactor the user management search to view the organisations and to restrict searches for user manager which doesn't have root organisation permission

OO-3297: refactor the user management to use organization for managing the roles instead of named security groups