Fix filters for case-sensitive column names on PostgreSQL

[m-tonon]

Fix: quote Postgres column names in structured filters

Postgres is case-sensitive: userId was becoming userid and filters failed.
Now when driver = postgres, columns get double quotes via quoteIdentifier (MySQL/SQLite unchanged).

Closes #231

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Overview

Severity	Count
CRITICAL	0
WARNING	0
SUGGESTION	0

Resolved Issues

File	Line	Issue	Status
src/components/ui/TableToolbar.tsx	109	Sort change detection now compares raw sort against unformatted initialSort before calling onUpdate with formatted output	✅ Fixed

Other Observations (not in diff)

File	Line	Issue
src/utils/identifiers.ts	32	JSDoc for quoteIdentifier is still attached to shouldQuoteIdentifiers due to inserted functions; consider moving the JSDoc comment down to the actual quoteIdentifier export

Files Reviewed (2 files in this incremental review)

• src/components/ui/TableToolbar.tsx - Previous sort change-detection bug is fixed; logic now correctly compares raw sort values before formatting for onUpdate
• tests/components/ui/TableToolbar.test.tsx - New regression test added: verifies no false-positive onUpdate when PostgreSQL quoting is the only difference

_{Reviewed by kimi-k2.6 · incremental review}

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_{Reviewed by kimi-k2.6-20260420 · 113,143 tokens}

[debba]

Hi! I fixed the failing tests in this PR. Could you please check that everything looks good before merging?

The changes only touch tests, so the implementation behavior should be unchanged.

[m-tonon]

I noticed the ORDER BY had the same issue as well, so I created a helper to handle the column identifiers in a cleaner way and reused it wherever needed.

[debba]

@m-tonon That’s great.
I can merge it if you agree

[m-tonon]

Now it's good to go 👍