rm: implement --one-file-system and --preserve-root=all failure

[sylvestre]

No description provided.

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/rm/one-file-system2. tests/rm/one-file-system2 is passing on 'main'. Maybe you have to rebase?

[sylvestre]

2023-10-21T23:16:03.2506188Z PASS: tests/rm/one-file-system.sh
but seems our bot didn't see it ?!

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/tail/inotify-dir-recreate

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tail/inotify-dir-recreate (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/timeout/timeout (fails in this run but passes in the 'main' branch)

[github-actions]

GNU testsuite comparison:

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