refactor(sqllogictests): port group by test to sqllogic (#6088)

* refactor(sqllogictests): wip refactor group by test to sqllogic

* refactor(sqllogictest): porting more group by tests

* docs(core): revert accidental documentation styling update

* refactor(sqllogictest): cleanup group test already in sqllogictest

* refactor(sqllogictest): move group by time test

* refactor(sqllogictest): no longer need setup for group test

* refactor(sqllogictest): port more group by test

* refactor(sqllogictest): port more group by test

* style(sqllogictest): conform to cargo fmt