Options carry a description, so the dropdown draws a two-line row. The closed trigger is sized by padding, so it is the size token for a one-line value and exactly one line taller for a two-line one; both on the 4px rhythm. An InputGroup pins the row, so the value folds back onto one line there.
pnpm dlx shadcn@latest add "https://astryx.atmeta.com/shadcn/example-selector-option-descriptions.json"