Update errWebhookDisabled attributes

[nicholaspcr]

Summary

Backport of https://github.com/TheThingsIndustries/lorawan-stack/pull/4536

Changes

• Add webhook_id and application_id attributes to webhook disabled error.

Testing

Steps

CI

Notes for Reviewers

This will be cherry picked into v3.33 for the new patch release.
Didn't add anything to the CHANGELOG because under this context is just an error attribute update.

Checklist

• Scope: The referenced issue is addressed, there are no unrelated changes.
• Compatibility: The changes are backwards compatible with existing API, storage, configuration and CLI, according to the compatibility commitments in README.md for the chosen target branch.
• Documentation: Relevant documentation is added or updated.
• Testing: The steps/process to test this feature are clearly explained including testing for regressions.
• Infrastructure: If infrastructural changes (e.g., new RPC, configuration) are needed, a separate issue is created in the infrastructural repositories.
• Changelog: Significant features, behavior changes, deprecations and fixes are added to CHANGELOG.md.
• Commits: Commit messages follow guidelines in CONTRIBUTING.md, there are no fixup commits left.

[KrishnaIyer]

Excellent. Thank you.