fix: don't include unenrolled channels and hubs when prompting user for edge:channels:unenroll

[rossiam]

• when using prompts for unenrolling a hub from a channel
  • prompt for hub first, skipping hubs that aren't enrolled in any channels
  • only include enrolled channels when prompting for channel
• added examples to edge:channels:unenroll since I was updating it
• changes to library to support this
  • ChooseOptions type now includes optional listItems so chooseX methods can easily support alternate lists
  • ChooseOptions is now generic so listItems can require function that returns list of the correct things
  • specify the generic where ChooseOptions is used
  • updated chooseHubs and chooseChannel to support alternate listItems
  • unit tests for updated for chooseHubs and chooseChannel

Checklist

• I have read the CONTRIBUTING document
• Any required documentation has been added
• My code follows the code style of this project (npm run lint produces no warnings/errors)
• I have added tests to cover my changes

[changeset-bot]

🦋 Changeset detected

Latest commit: 7874446

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@smartthings/cli	Patch
@smartthings/plugin-cli-edge	Patch
@smartthings/cli-lib	Patch
@smartthings/cli-testlib	Patch

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[Doczillar]

What is the difference between these two examples? The first seems to be showing unenrolling a hub from a channel, and the second is "unenroll[ing] the hub from the specified channel".

[Sitlintac]

The first example doesn't provide any arguments, so the user will be shown a list of hubs and prompted to choose one, then shown a list of channels that hub is subscribed to and prompted to choose one. The second example gives one argument -- the UUID of a hub -- so it'll skip straight to asking for the channel to unsubscribe that specific hub from. The third example specifies the UUID of both the hub and the channel to unenroll it from, so the user won't be prompted for anything else.

[rossiam]

In the second example (last of the three), nothing is prompted for. In the first, the user doesn't specify a channel on the command line so they are prompted for one. I've updated the text to say "unenroll the specified hub from the specified channel".

[Sitlintac]

GitHub Actions noticed that ListDataFunction isn't used.

[rossiam]

Oops, fixed.