Use 'mbqlEq' for datetime-field, relative-datetime, template-tag, field-id, and fk->

...oard/components/parameters/widgets/DateRelativeWidget.jsx

frontend/src/metabase/lib/query.js

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

frontend/src/metabase/lib/query_time.js

frontend/src/metabase/meta/Dashboard.js

frontend/src/metabase/query_builder/components/FieldList.jsx

...metabase/query_builder/components/TimeGroupingPopover.jsx

frontend/test/unit/lib/query.spec.js

frontend/test/unit/lib/query_time.spec.js