Spring DataAccessUtils result accessors with Optional return value

Closes #27728 (https://github.com/spring-projects/spring-framework/issues/27728)

Hi everyone, this is my first PR in any project here on github with the goal of improving my understanding of java. Hope i understood the enhancement request correctly.

Comment From: BrucessKING

Using the * form of import should be avoided - java.util.*.

Comment From: KaidosGH

Using the * form of import should be avoided - java.util.*.

Thanks for the tip, i adjusted that.