Clean up ZHA configuration UI

[dmulcahey]

Breaking change

No

Proposed change

REQUIRES #77961

This PR cleans up the ZHA configuration UI. Current state:

https://user-images.githubusercontent.com/1335687/188909969-b335546b-3bc6-4693-a72a-e19c30070cfe.mp4

Type of change

• [ ] Dependency upgrade
• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (thank you!)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• [X] The code change is tested and works locally.
• [X] There is no commented out code in this PR.
• [ ] Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• [ ] Documentation added/updated for www.home-assistant.io

[dmulcahey]

@bramkragten I addressed most of the comments and left a couple questions.

[dmulcahey]

all comments addressed

[dmulcahey]

Removed the tie to the other PR. This can technically go w/o it.