Namespaces with similar names will all show in Kiali namespace list, even though namespaces may not be defined in Service Mesh Member Role

This is a known issue that has been fixed upstream and ported to downstream for OSSM 2.0.3

Upstream issue: https://github.com/kiali/kiali/issues/3709#issuecomment-77995096

Creating a Jira due to a customer issue 02896888 being opened for this bug.