perf(table-core): reuse accessRows function

[43081j]

🎯 Changes

We were previously allocating an arrow function per call with its own
scope. If we move this to module level and pass table in, we can
re-use the same function allocated once

I also noticed an array being garbage collected so removed that too.

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm test:pr.

Summary by CodeRabbit

• Improvements
  • Improved processing of table rows and nested subrows for more consistent row-model generation.
  • Standardized row identifiers across root rows and nested rows, supporting more predictable row tracking and updates.
  • Preserved existing table behavior while improving reliability for hierarchical data.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 4b302cde-8f89-4093-95a3-53de30a0a251

📥 Commits

Reviewing files that changed from the base of the PR and between 209699f and 61be262.

📒 Files selected for processing (2)

• packages/table-core/src/core/row-models/createCoreRowModel.ts
• packages/table-core/src/core/rows/coreRowsFeature.utils.ts

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📝 Walkthrough

Walkthrough

Changes

Core row model updates

Layer / File(s)	Summary
Explicit recursive row materialization packages/table-core/src/core/row-models/createCoreRowModel.ts, packages/table-core/src/core/rows/coreRowsFeature.utils.ts	Row construction is moved to a top-level recursive accessRows helper with explicit dependencies, and row IDs use template/string construction for root and child rows.

Estimated code review effort: 2 (Simple) | ~10 minutes

Suggested reviewers: kevinvandy

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main performance change: reusing accessRows by moving it to module scope.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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