Fix tuple items not getting scoped in the schema editor

[magic-peach]

What kind of change does this PR introduce?

A bug fix.

Issue Number:

• Closes Tuple items are not scoped in the interactive schema editor #2496

Screenshots/videos:

None.

If relevant, did you update the documentation?

Not applicable, this only changes the schema editor's internal scoping logic.

Summary

getScopesOfParsedJsonSchema walks a parsed schema to find where each type definition sits, so the editor knows which keywords to make interactively clickable. For an array schema, it always looked at items as a single schema and recursed once. When items is an array (tuple validation, used for example on the Draft 2020-12 release notes page and the JSON Schema examples page), each entry is itself a schema, so the function returned only one scope for the whole array and silently skipped every tuple entry.

This checks whether items is an array and, if so, recurses into each entry with an indexed path (['items'][0], ['items'][1], and so on), matching how array elements are already pathed elsewhere in the editor.

Does this PR introduce a breaking change?

No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

[github-actions]

Hi @magic-peach! Thanks a lot for your contribution!

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Thanks a lot!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (5158a0a) to head (4fe5bbc).

Additional details and impacted files

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  Files           31        31           
  Lines          695       695           
  Branches       215       215           
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  Hits           695       695           

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