API: Fix Locale for namespace in TableIdentifier

[Govindarajan-D]

Apache Iceberg version

None

Query engine

None

Please describe the bug 🐞

This is related to #9276. This ensures consistent identifier resolution (fix for namespace) across different system locales, specifically preventing the 'Turkish I' problem where 'I' maps to 'ı' instead of 'i'

Willingness to contribute

• I can contribute a fix for this bug independently
• I would be willing to contribute a fix for this bug with guidance from the Iceberg community
• I cannot contribute a fix for this bug at this time