refactor: delegate values() to _sorted_records()

[tbhb]

Summary

• Eliminate code duplication by having TableMixin.values() delegate to _sorted_records() instead of reimplementing the same list comprehension logic
• Addresses review finding m1

Test plan

• All existing tests pass (727 passed)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[codspeed-hq]

CodSpeed Performance Report

Merging #19 will improve performance by 17.65%

_{Comparing refactor/values-delegate-to-sorted-records (4c740e9) with main (e0ca4b4)¹}

Summary

⚡ 1 improvement
✅ 172 untouched

Benchmarks breakdown

	Benchmark	BASE	HEAD	Efficiency
⚡	test_find_all_records[small-int-1k]	3.7 ms	3.1 ms	+17.65%

Footnotes

1. No successful run was found on main (db493fb) during the generation of this report, so e0ca4b4 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩