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

[prateek1497]

Add getCqAnnotations() on AbstractFormComponentImpl that reads the cq:annotations child resource (a sibling of fd:dorContainer on the component node) and exposes its child annotations as a per-annotation map keyed by node name. Each entry carries color, text, x, y, optional state/resolvedBy/resolvedAt and the JCR audit fields. Null fields are stripped so the serialised shape matches the JCR content exactly.

Wire the call into getProperties() so the resulting map is placed under properties.cq:annotations -- parallel to fd:dor / fd:path / fd:associate -- not nested inside dorContainer. Returns null when no cq:annotations child exists; Jackson then omits the key, keeping the output non-breaking for forms without annotations.

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• 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.