Prevent repeated coercion of fields (#24718)

...uery_processor/middleware/row_level_restrictions_test.clj

...models/reproductions/22519-casting-fails-query.cy.spec.js

src/metabase/driver/sql/query_processor.clj

src/metabase/query_processor.clj

...metabase/query_processor/middleware/mark_outer_fields.clj

src/metabase/query_processor/util/nest_query.clj

...e/query_processor/middleware/add_source_metadata_test.clj

...se/query_processor/middleware/fetch_source_query_test.clj

test/metabase/query_processor/util/add_alias_info_test.clj

test/metabase/query_processor/util/nest_query_test.clj

test/metabase/query_processor_test/nested_queries_test.clj

test/metabase/query_processor_test/remapping_test.clj