Merge tag 'v0.30.4' into merge-v0.30.4

frontend/src/metabase/components/Popover.jsx

locales/fa.po

locales/fr.po

locales/ja.po

locales/nb.po

locales/tr.po

locales/zh.po

src/metabase/core.clj

src/metabase/driver/generic_sql.clj

src/metabase/middleware.clj

src/metabase/models/database.clj

src/metabase/public_settings/metastore.clj

test/metabase/api/common_test.clj

test/metabase/api/embed_test.clj

test/metabase/query_processor_test/remapping_test.clj

test/metabase/test/data.clj

test/metabase/test/data/dataset_definitions.clj

test/metabase/test/data/sparksql.clj