Function unscopeOr

packages/computer/src/artifacts/client.ts:231–233

* Unscope a name the binding echoed back, falling back to the local * name the caller passed. The binding returns the scoped name it * stored; if it ever returns something without our prefix, prefer * the caller's local name over leaking a foreign-looking value.

(sessionId: string, returned: string, fallback: string)

 * the caller's local name over leaking a foreign-looking value.
 */
function unscopeOr(sessionId: string, returned: string, fallback: string): string {
  return unscopedName(sessionId, returned) ?? fallback;
}