[Kiali] Overview not load the metrics first time.

[aljesusg]

Describe the bug

When you go to Kiali tab you can see the information related with namespaces but the metrics are not loaded

They are loaded after refresh or select a dropdown option so it seems that there is a problem with react.useEffect here

Expected Behavior

See the metrics and health first time

What are the steps to reproduce this bug?

1. Go to Kiali tab
2. Check that health and metrics are not loaded

Versions of software used and environment

kilai plugin 1.8.1