Allow TabSeparatedRaw as Input Format

Why it matters

This feature enables users to import data using the TabSeparatedRaw format, expanding the supported input formats and providing more flexibility in data ingestion scenarios.

How to use it

Specify TabSeparatedRaw as the input format in your data insertion or input commands, for example:

INSERT INTO table FORMAT TabSeparatedRaw

or when using clickhouse-client or other interfaces that accept input format options.