Merge branch 'develop' into f/delete-messages
Additionally added system commands to copy, delete or save attachments of selected messages
Reviewed-on: https://git.kske.dev/zdm/envoy/pulls/70
Reviewed-by: kske <kai@kske.dev>
Reviewed-by: DieGurke <maxi@kske.dev>
Common
* Replace LocalDateTime with Instant everywhere
Client
* Display message creation date with system time zone in MessageControl
* LocalDB#users now strictly contains Users
* lastSync time stamp in LocalDB (saved per user)
* isOnline parameter in save function (lastSync updated if true)
* lastSync time stamp in LoginCredentials
* No ClientConfig#getLoginCredentials because of missing information,
moved to LoginScene
* Pass LocalDB#lastSync to LoginCredentials in LoginScene
Server
* Explicit lastSync parameter for
PersistenceManager#getPending(Group)Messages
This sends the correct time stamp to the server, however the JPQL
queries have yet to be adjusted.