Re-enable SDK image forwarding test (#5934)

## Summary
- re-enable the TypeScript SDK test that verifies local images are
forwarded to `codex exec`

## Testing
- `pnpm test` *(fails: unable to download pnpm 10.8.1 because external
network access is blocked in the sandbox)*

------
https://chatgpt.com/codex/tasks/task_i_690289cb861083209fd006867e2adfb1

sdk/typescript/src/items.ts

@@ -115,7 +115,6 @@ export type TodoListItem = {
   items: TodoItem[];
 };
 
-
 /** Canonical union of thread items and their type-specific payloads. */
 export type ThreadItem =
   | AgentMessageItem

sdk/typescript/src/outputSchemaFile.ts

@@ -21,8 +21,7 @@ export async function createOutputSchemaFile(schema: unknown): Promise<OutputSch
   const cleanup = async () => {
     try {
       await fs.rm(schemaDir, { recursive: true, force: true });
-    }
-    catch  {
+    } catch {
       // suppress
     }
   };