Merge PR #65817 into wip-jcollin-testing-20251016.112434-squid

Merge PR #65817 into wip-jcollin-testing-20251016.112434-squid

* refs/pull/65817/head:
	src/common: add helper to prepend "..." to trimmed paths
	mds/ScrubStack: avoid generating inode path since it is unused
	mds: fix few log entries
	client: trim path before logging it
	mds: log trimmed path wherever generating full path is necessary
	mds: for logging generate only 10 final components of dentry path
	mds: for logging generate only 10 final components of inode path
	qa, test: run unit tests for cephfs.pyx with non-root user
	test/pybind: add unit tests for rmtree() in cephfs python bindings
	pybind/cephfs, mgr/volumes: refactor purge() to be non-recursive