Fetch team members from the Cursor Admin API (GET /teams/members)
and map them to access records. The endpoint is not paginated, so
a single request returns the whole team; removed members are
returned as inactive rather than dropped, and team owners are
flagged as admins.
Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>