Fix Experimental UI for cookie based authentication (#7827)
Fix Experimental UI for cookie based authentication (#7827)

We're using Prometheus behind a reverse proxy which authenticates everything based on cookies.
Without this attribute the cookie is not send with the request for the manifest.json

Signed-off-by: Stefan Bueringer <17368515311917103b9d2c54fe6b0d80a76336de@gmail.com>
keegancsmith/prometheus,keegancsmith/prometheus,keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,prometheus/prometheus,alileza/prometheus,prometheus/prometheus,prometheus/prometheus,prometheus/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,alileza/prometheus,alileza/prometheus,keegancsmith/prometheus