fix(database): fix GetRecordCIDs failing with PostgreSQL backend

[paralta]

GetRecordCIDs was querying SELECT DISTINCT records.record_cid while applyRecordOrder always appended ORDER BY records.created_at DESC, records.record_cid ASC. PostgreSQL enforces the SQL standard requirement that all ORDER BY expressions appear in the SELECT list for SELECT DISTINCT queries (SQLSTATE 42P10), whereas SQLite silently permits it — so the bug only surfaced when running against a real PostgreSQL database.

The fix expands the SELECT to include all columns that applyRecordOrder may reference (created_at, name, version, schema_version, and usage-metrics expressions when needed). Because record_cid is the primary key, these columns are functionally dependent on it, so DISTINCT still deduplicates at the record level. Pluck is replaced with Find into a minimal struct, since Pluck does not correctly scan a multi-column result into a string slice.

[codecov]

Codecov Report

❌ Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
server/database/gorm/record.go	93.3%	0 Missing and 1 partial ⚠️

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