Bb 1990 fix kiali grafana

General MR

Summary

This fixes kiali not being able to build the graph when istio is hardened by allowing it through

Relevant logs/screenshots

failing (automated test) -

failing again (notice the yellow dot) -

passing (notice no yellow dot) -

Linked Issue

big-bang/bigbang#1990 (closed)

Upgrade Notices

n/a