IAM: Generate a unique name for a new TeamBinding object (#112525)

* generate a unique name for TeamBinding and store it in the uid column

* generate testdata

* fix team binding name

pkg/registry/apis/iam/legacy/team_members_query.sql

@@ -1,5 +1,6 @@
 SELECT
   tm.id as id,
+  tm.uid as uid,
   t.uid as team_uid,
   t.id as team_id,
   u.uid as user_uid,