control/controlclient, tailcfg: add 6 more patchable Node fields [capver 36]

Change-Id: Iae997a9a98a5dd841bc41fa91227d5a7dd476a25
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Gitea Version: 1.28.0+dev-477-g8b6ad49a5f