CI: -sso tests faling on keycloak login

We have multiple failures of wkld-sso-kubeconfig and mgmt-sso jobs, on:

E   playwright._impl._errors.TimeoutError: Locator.click: Timeout 30000ms exceeded.
E   Call log:
E     - waiting for locator("button[name=\"login\"]")

Examples:

Edited by Thomas Morin