[AIT-553] Update to ably-js 2.20.0 in examples and use new subscription fields

[VeskeR]

Resolves AIT-553

Description

Checklist

• Commits have been rebased.
• Linting has been run against the changed file(s).
• The PR adheres to the writing style guide and contribution guide.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 5f35cc2b-f0e2-43cf-a20b-bf69a6f19c54

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch AIT-553/lo-examples-use-2.20.0

📝 Coding Plan

• Generate coding plan for human review comments

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

Tip

Migrating from UI to YAML configuration.

Use the @coderabbitai configuration command in a PR comment to get a dump of all your UI settings in YAML format. You can then edit this YAML file and upload it to the root of your repository to configure CodeRabbit programmatically.

[VeskeR]

@m-hulbert example page in the preview app https://ably-docs-ait-553-lo-ex-gxgi6q.herokuapp.com/examples/liveobjects-live-map?lang=javascript doesn't seem to use the latest ably-js version specified in this PR (2.20.0) - the protocol version used is still 5 in the preview app (should be 6). Did I do something wrong and need to update something else?

[lawrence-forooghian]

LGTM, will leave with you to sort out the build issues

[m-hulbert]

@m-hulbert example page in the preview app https://ably-docs-ait-553-lo-ex-gxgi6q.herokuapp.com/examples/liveobjects-live-map?lang=javascript doesn't seem to use the latest ably-js version specified in this PR (2.20.0) - the protocol version used is still 5 in the preview app (should be 6). Did I do something wrong and need to update something else?

Annoyingly you need to update it in the renderer too - just pushed a fixup that should have sorted it when the review app rebuilds @VeskeR