mon/OSDMonitor: share latest map with osd on dup boot message

If we get a dup boot message, share the newer maps with the osd so that
they know they are living in the past.

Fixes: #8279
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Joao Eduardo Luis <joao.luis@inktank.com>
(cherry picked from commit 2e6b24868da0b203c2d70ac91071166d95d1d851)
mon/PGMonitor: set tid on no-op PGStatsAck

The OSD needs to know the tid.  Both generally, and specifically because
the flush_pg_stats may be blocking on it.

Fixes: #8280
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Joao Eduardo Luis <joao.luis@inktank.com>
(cherry picked from commit 5a6ae2a978dcaf96ef89de3aaa74fe951a64def6)