Gorm Generics API Joins() fails on Oracle due to hardcoded "AS" before table alias

GORM Playground Link

https://github.com/go-gorm/playground/pull/825

Description

When using GORM generics Joins with a subquery and .As("t"), the generated SQL is:

LEFT JOIN (...) AS `t` ON ...

Oracle does not allow AS before table aliases. As a result, this SQL fails with a syntax error when running against Oracle DB.