Partner comments problem
- Updated flatlaf to v1.5, for the clients dark mode
- In the partner management there was a problem with the text widget if unicode has been pasted into the comments of a partner
- Modified a log message for outbound MDNs that showed the wrong receipt URL
- The access to the message data was not in all cases transactional - this was jsut a problem of multiple instances working on one database (HA/postgreSQL)