Fixed slapd syncrepl infinite looping mods with delta-sync MMR (ITS#8432)
Fixed slapd callback struct so older modules without writewait should function.
Custom modules may need to be updated for sc_writewait callback (ITS#8435)
+ Fixed slapd-ldap/meta broken LDAP_TAILQ macro (ITS#8576)
Fixed slapd-mdb so it passes ITS6794 regression test (ITS#6794)
Fixed slapd-meta uninitialized diagnostic message (ITS#8442)
Fixed slapo-accesslog to honor pauses during purge for cn=config update (ITS#8423)