In PR tailscale/corp#34401, the `traffic-steering` feature flag does
not automatically enable traffic steering for all nodes. Instead, an
admin must add the `traffic-steering` node attribute to each client
node that they want opted-in.
For backwards compatibility with older clients, tailscale/corp#34401
strips out the `traffic-steering` node attribute if the feature flag
is not enabled, even if it is set in the policy file. This lets us
safely disable the feature flag.
This PR adds a missing test case for suggested exit nodes that have no
priority.
Updates tailscale/corp#34399
Signed-off-by: Simon Law <sfllaw@tailscale.com>
Simon LawandGitHub
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