`wait.sh` does not properly wait for redeployments of kiali frontend

Motivation

The wait.sh script is invoked by BB testing pipelines and is supposed to wait for Kiali to be ready for traffic before proceeding with tests. It currently only waits for the Kiali CR to be updated and progress through its stages. This unfortunately does not indicate the resulting deployment has reached a steady-state.

Acceptance Criteria

• The wait script must be modified to wait for guaranteed application steady-state before returning