Display a banner mentioning the cloud product about mini-dashboard

[davelarkan]

Thanks @gmourier

The query param to hide the banner on the cloud should work fine for us. It's a little "fragile" but absolutely fine for a first iteration.

[mdubus]

Just thinking out loud, maybe we can use something like document.referrer to get the provenance URL and compare it with the Cloud URL 🤔
Don't know if that would work, some tests have to be made, but it could be a much "cleaner" solution than the query params one 😀