Update UI to Reflect Disabled Policies

All policies have the "enabled" attribute which, when set to false, causes that policy to "turn off" but remain as part of the flow. But there is no visual indication that a policy is disabled.

I have been bitten a couple of times by the fact that I forgot to re-enable a policy, and didn't realize my mistake until I started looking at every policy in my flows, one at a time.

It would be great to visually indicate that a policy is not enabled.

For example, the OAuthV2 policy below (second from the left):