Merge PR #48720 into main

* refs/pull/48720/head:
	qa: fix api failure issue caused during a dashboard test
	PendingReleaseNotes: noted new MDSMap field refuse_client_session
	qa: added two testcases
	client: do not initiate session if flag refuse_client_session is set
	mds: do not reconnect when refuse_client_session is set
	mds: add new feature to block clients from establishing sessions

Reviewed-by: Rishabh Dave <ridave@redhat.com>
Reviewed-by: Kotresh Hiremath Ravishankar <khiremat@redhat.com>
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Reviewed-by: Ramana Raja <rraja@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>

diff --cc PendingReleaseNotes
Simple merge

diff --cc src/client/Client.cc
Simple merge

diff --cc src/include/ceph_fs.h
Simple merge

diff --cc src/mds/Server.cc
Simple merge

diff --cc src/mon/FSCommands.cc
Simple merge

diff --cc src/mon/MonCommands.h
Simple merge