Add database type adjustments to server side generated temporal values (#47039)

* Add database type adjustments to server side generated temporal values

* Speculative base type change

* Infer timezone only from _actual_ user, not global user level

* Set timezone for actual user in test extensions

* Add test case

* Update type info generation

* Adjust server side relative datetime

* Update src/metabase/driver/sql/query_processor.clj

Co-authored-by: Braden Shepherdson <braden@metabase.com>

* Fix base type logic

* Fix typo

* Fix formatting

* Update user name handling

* cljfmt

* Address review comments

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Co-authored-by: Braden Shepherdson <braden@metabase.com>