[test/data] Add missing 'add' permission on attribute Silences a warning introduced in 3.18.

[hooks/notification] Fix indentation Follow-up for changeset 1b8552265f3b "[hooks/notification] use a cnx not a session"

[devtools] deprecate CWTC.user()

minor cleanups

some copyright updates

[devtools] properly close open access on tearDown avoiding further warning about living sessions while the repo is turned off. The doc string says: The RepoAccess need to be closed to destroy the associated Session. TestCase usually take care of this aspect for the user. but that wasn't true until now.

[devtools] make comment (a bit) more readable

[devtools] avoid an internal deprecation warning websession and session are now one and the same.

[server/session] undeprecate session.anonymous_session It's not connection-specific.

[web/sessions] use session.sessionid instead of deprecated session.id

[repo] don't set cnxset when getting the session to close it and avoid warning about that. session._cnx.rollback won't do anything if it's not set and a newer connection is now created to run the session_close hook, so there is not need to set cnxset. Notice we have to take care about not trying to rollback the underlying cnx when the session is not 'session_handled' (i.e. bw compat mode). This case only occurs due to hackish things to keep bw compat in testlib.

[repo] handle connection explicitly when calling session open/close hooks

[hooks/syncschema] work with connections not sessions

[server/sources] {before,after}_entity_insertion wants a cnx not a session

[hooks/syncsources] use a cnx not a session

[hooks/notification] use a cnx not a session

[hooks/metadata] use a cnx not a session

[hooks/bookmark] use a cnx not a session

[hooks/workflow] use a cnx not a session

[hooks/email] use a cnx not a session

[hooks/integrity] use a cnx not a session

[hooks/security] let's use a connection, not a session

[server/sources/native] deal with connections, not sessions

[server] eschema_eid needs a connection, not a session

[repository] operations get a connection instead of a session Left extid2eid unchanged because that function scares the shit out of me.

[server/hook] operations get a connection instead of a session

[repository] Use an internal connection in register_user

avoid to internally raise 3.19 warnings

[sources] ensure we have a cnxset in undoable_transactions

[server] move security/integrity hook management away from InternalSession.__init__ and to Repository.internal_{session,cnx} instead. Lets internal_cnx avoid deprecation warnings.