feat(af-core): FORMS-25463 expose cq:annotations parallel to fd:dor

[prateek1497]

Adds cq:annotations read support to the IC GET flow for the print channel /
author CRISPR path.

• getCqAnnotations() reads the cq:annotations child resource (a sibling of fd:dorContainer on the component node) and returns each annotation as a map entry keyed by node name. Each entry carries color, text, x, y, and optional state/resolvedBy/resolvedAt plus JCR audit fields. Null fields are stripped so the serialized shape matches the JCR content exactly.
• getProperties() is wired to call getCqAnnotations() and place the result under properties.cq:annotations — parallel to fd:dor / fd:path / fd:associate. Returns null when no cq:annotations child exists; Jackson omits the key, keeping output non-breaking for forms without annotations.
• getCustomProperties() explicitly excludes cq:annotations to prevent it leaking as a double-serialized JSON string via the catch-all custom-properties path.
• Gated: only runs when channel == PRINT and isAuthorMode(request) — web channel and publish mode are unaffected.

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Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes and the overall coverage did not decrease.
• All unit tests pass on CircleCi.
• I ran all tests locally and they pass.

[prateek1497]

In short why its not following AFv2 annotations - if you look at how AFv2 annotations work, it does network call for each annotation, bringing the infinity json for that annotation, for IC, we would be taking hit on first load, adding cq:annotations in the first GET call, and flushing everything on the UI at once.