Fixes:
- ldap_adaptor: plug two memory leaks
- exmdb: plug a memory leak related to subscription destruction
- oxcical: do process TRIGGER duration value type for reminders
- midb: resolve flakey update of flagged/replied/forwarded status
- midb: when a MAPI message has changed and requires a new IMAPUID, convey the expunge of the old IMAPUID much sooner to IMAP clients
- pop3: resolve a NULL deref/crash during RETR command
- imap: restore SEARCH command looking at right portion of a QP-encoded message
Enhancements:
- ews: send flag status to clients
- imap: include username for IMAP actions when imap_cmd_debug logging is activated
- midb, imap: print asynchronous notification events when imap_cmd_debug>=2
- oxcical: invalid iCal timezone inputs are now logged when _log_level=6 (debug)
Behavioral changes:
- mkprivate: new message stores now have
frightsVisible
set on the calendar folder, because grommunio-web is picky about the existence of the calendar folder even if obtaining just freebusy blocks.