Updated grafana request to include custom data per target. - DO NOT MERGE - Awaiting Grafana update

[phillipbarron]

Removed mapping from Stage as no required. Moved Access-Control-Allow-Credentials header setting to middleware Added or logic on optional stage in custom data from grafana request to allow rollout with new and legacy support.

What does this change?

How to test

How can we measure success?

Have we considered potential risks?

Images

Accessibility

• [ ] Tested with screen reader
• [ ] Navigable with keyboard
• [ ] Colour contrast passed
• [ ] The change doesn't use only colour to convey meaning