Metabase lib cleanup - metadata edition (#12859)

* Remove StructuredQuery's dependency on deprecated metabase/lib/query.js

* Refactor QueryDefinition{,Tooltip} to use metabase-lib

* Replace *Name components with displayName and various other legacy cleanup

* Fix flow

* Move flow types to metabase-types

* Remove loadTableAndForeignKeys

* Add aggregationOperator/filterOperator to Table/Field and remove metabase/lib/table.js completely

* Use metadata database/table/field/etc functions instead of property access

* Fix flow