fix: AI selections broken due to floating-ui focus manager

[YousefED]

Summary

Fixes AI operations not applying to the current selection — instead, the whole block was affected. The root cause was the floating-ui focus manager (introduced in #2503) interfering with Prosemirror's mutationobserver.

closes #2525

Rationale

Fix using getInsideElements as suggested here

Changes

• packages/xl-ai/src/components/AIMenu/AIMenuController.tsx: Added getInsideElements to focusManagerProps to include editor.domElement, preventing mutations to the prosemirror element
• packages/xl-ai/package.json: Bumped @floating-ui/react from ^0.26.28 to ^0.27.18 (required for stablegetInsideElements support).

Impact

• Fixes the issue where AI operations (e.g., rewrite, translate) would ignore the user's text selection and apply to the whole block.
• The @floating-ui/react upgrade is a minor version bump and should be backwards-compatible.

Testing

• Manually verified that text selection is preserved when the AI menu opens.
• AI operations now correctly apply to the selected text range.

Screenshots/Video

N/A

Checklist

• Code follows the project's coding standards.
• Unit tests covering the new feature have been added.
• All existing tests pass.
• The documentation has been updated to reflect the new feature

Additional Notes

Related issues:

• fix(markOthers): ignore content editable nodes floating-ui/floating-ui#3202

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Project	Deployment	Actions	Updated (UTC)
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commit: 8ea8e37