[MBQL lib] Add `preview-query` to truncate a query for Notebook preview (#42836)

frontend/src/metabase-lib/query.ts

frontend/src/metabase-lib/types.ts

...builder/components/notebook/NotebookStep/NotebookStep.tsx

...c/metabase/query_builder/components/notebook/lib/steps.ts

.../metabase/query_builder/components/notebook/test-utils.ts

...d/src/metabase/query_builder/components/notebook/types.ts

src/metabase/lib/core.cljc

src/metabase/lib/js.cljs

src/metabase/lib/query.cljc

test/metabase/lib/query_test.cljc