fix(Table): rebuild collection when children change (DS-5260)

[KamilEmeleev]

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[Copilot]

Pull request overview

This PR addresses a Table rendering bug by forcing the React Aria/Stately table collection to be rebuilt when children change, so dynamic row/column props (e.g., conditional className) are re-evaluated while preserving table state like selection, sorting, and column resizing.

Changes:

• Rebuild the Table collection on children changes and pass the resulting collection into useTableState.
• Re-export CollectionBuilder from primitives as LegacyCollectionBuilder to support the collection rebuild logic.
• Add regression tests to validate invalidation and preservation of selection/sorting/resizing across collection rebuilds.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
packages/primitives/src/index.ts	Re-exports CollectionBuilder as LegacyCollectionBuilder for internal Table usage.
packages/components/src/components/Table/Table.tsx	Introduces a legacy-collection rebuild hook and injects collection into useTableState.
packages/components/src/components/Table/Table.test.tsx	Adds tests for dynamic row/column invalidation and state preservation across rebuilds.

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