fix: expand JSON Schema scope detection to handle and logical keywords

[Shuklax]

What kind of change does this PR introduce?
Bugfix and Refactoring of the schema scope detection logic.

Issue Number:
Closes #2012

Screenshots/videos:

If relevant, did you update the documentation?
N/A (This change improves the documentation's interactive tools).

Summary
This PR solves a limitation in the JsonEditor where subschemas inside keywords like $defs, definitions, allOf, anyOf, oneOf, and if/then/else were not recognized as interactive "scopes."

The Problem:
Users browsing the documentation (e.g., the Structuring page) could not click on keywords like type or items when they appeared inside a $defs block or a logical combinator. This made the documentation feel disconnected.

The Solution:
I refactored lib/getScopesOfParsedJsonSchema.ts to use a keyword-driven traversal approach. Instead of relying on a restrictive type: object check, it now systematically recurses into Map-based keywords ($defs, properties), Array-based keywords (allOf, anyOf, etc.), and single-subschema keywords (not, if).

Does this PR introduce a breaking change?
No. It is a backwards-compatible improvement to the website's syntax highlighting and interactivity.

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

Read, understood, and followed the contributing guidelines.

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (58506bc) to head (99d25ea).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

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[vtushar06]

This looks like a solid fix. The keyword-based traversal aligns well with how JSON Schema defines subschemas, and it’s good to see $defs, combinators, and conditionals handled explicitly. Handling boolean subschemas is a nice touch
Non-blocking: a short spec reference near the keyword lists could help future extensions.

Tagging maintainers for further review. @Utkarsh-123github @jagpreetrahi