v.21.7Improvement

Fix DateTime Conversion with Timezone for MySQL, PostgreSQL, ODBC

Fix convertion of DateTime with timezone for MySQL, PostgreSQL, ODBC. Closes #5057. #25528 (Kseniia Sumarokova).
Fixes the conversion of DateTime values with timezones for MySQL, PostgreSQL, and ODBC interfaces in ClickHouse.

Why it matters

This update addresses incorrect handling of DateTime types with timezones when importing or querying data via MySQL, PostgreSQL, and ODBC connectors. It ensures accurate timezone conversion, improving data consistency and compatibility with external systems.

How to use it

Users benefit from this fix transparently; no additional configuration is required. Using DateTime types with timezones via MySQL, PostgreSQL, or ODBC interfaces will now return correct values as expected.