Merge PR #62833 into wip-pdonnell-testing-20250421.184056-debug

* refs/pull/62833/head:
	qa: test charmap changes with dir and snaps
	mds: check for snapshots on parent snaprealms
	mds: use strict_strtobool for parsing bools
	common: take string_view for strict_tobool

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

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