Support jakarta-315

[andyjefferson]

Add these methods in CriteriaBuilder.SimpleCase

      /**
        * Add a when/then clause to the case expression.
        * @param condition  "when" condition
        * @param result  "then" result value
        * @return simple case expression
        */
       SimpleCase<C, R> when(Expression<? extends C> condition, R result);

       /**
        * Add a when/then clause to the case expression.
        * @param condition  "when" condition
        * @param result  "then" result expression
        * @return simple case expression
        */
       SimpleCase<C, R> when(Expression<? extends C> condition, Expression<? extends R> result);