Merge pull request #6864 from metabase/case-insensitive-string-filters

frontend/src/metabase/lib/query/filter.js

frontend/src/metabase/lib/schema_metadata.js

frontend/src/metabase/meta/types/Query.js

...se/parameters/components/widgets/DateAllOptionsWidget.jsx

...query_builder/components/filters/DateOperatorSelector.jsx

...tabase/query_builder/components/filters/FilterOptions.jsx

...tabase/query_builder/components/filters/FilterPopover.jsx

...etabase/query_builder/components/filters/FilterWidget.jsx

...ery_builder/components/filters/FilterPopover.unit.spec.js

resources/migrations/000_migrations.yaml

src/metabase/driver.clj

src/metabase/driver/crate.clj

src/metabase/driver/druid/query_processor.clj

src/metabase/driver/generic_sql/query_processor.clj

src/metabase/driver/googleanalytics.clj

src/metabase/driver/googleanalytics/query_processor.clj

src/metabase/driver/mongo/query_processor.clj

src/metabase/models/database.clj

src/metabase/query_processor/interface.clj

src/metabase/query_processor/middleware/expand.clj