foreign key mapping validation does not work

package-lock.json

package.json

src/components/MapView.vue

src/components/SetupView.vue

src/components/subcomponents/map/InlineColumnMapper.vue

src/components/subcomponents/map/RelationsColumnMapper.vue

src/components/subcomponents/transform/EditColumns.vue

src/main.js

src/services/api-schema/openapi.json

src/services/exportStore.ts

src/services/mainStore.ts

src/services/mappingStore.ts

src/services/preset-definitions/hardcoded-presets.ts

src/services/preset-definitions/synthetic-preset.json

src/services/utils.ts