use crd Established to determine readiness

[nicks]

Describe the Feature You Want

If you deploy a CRD in a Tilt resource, tilt should wait until the Established condition is true before it marks the resource ready and runs its dependencies.

Current Behavior

Currently, if you deploy a CRD with Tilt, tilt will consider it ready as soon as the CRD applies.

Why Do You Want This?

Currently people have to hack around this with local_resource, cf
#3301
https://github.com/tilt-dev/tilt-extensions/blob/master/helm_remote/Tiltfile

Additional context
Helm has built-in support for this with helm --wait:
helm/helm#11717 (comment)

[diogobaeder]

Nice, this would be super helpful! :-)