[Profile] az login: Add back the warning that a browser is opened (#14505)
[Profile] az login: Add back the warning that a browser is opened (#14505)


yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli