Add expected & actual timezone to query results (#11176)

modules/drivers/druid/test/metabase/driver/druid_test.clj

...leanalytics/test/metabase/driver/googleanalytics_test.clj

modules/drivers/mongo/test/metabase/driver/mongo_test.clj

src/metabase/api/public.clj

src/metabase/query_processor/middleware/add_settings.clj

...se/query_processor/middleware/bind_effective_timezone.clj

src/metabase/util/date.clj

test/metabase/api/dataset_test.clj

test/metabase/api/embed_test.clj

test/metabase/driver/sql_jdbc/native_test.clj

...metabase/query_processor/middleware/add_settings_test.clj