Add logging of device management type for the web client auth flow. Namely,
this differentiates between viewing a node you do not own, viewing a local
tagged node, viewing a remote tagged node, managing a local node, and
managing a remote node.
Updates https://github.com/tailscale/tailscale/issues/10261
Signed-off-by: Mario Minardi <mario@tailscale.com>
Add metric logging logic for the web client frontend. This is an initial
pass of adding the base logic, plus a single point where it is used for
validation that the logging is working correctly. More metric logging
calls will follow in subsquent PRs.
Updates https://github.com/tailscale/tailscale/issues/10261
Signed-off-by: Mario Minardi <mario@tailscale.com>