[BUG] rust-server doesn't seem to like examples

Hi,

I'm using rust-server with 4.0.1.

I have a path which returns an schema defined as below:

$ref: '#/components/schemas/Alert

This schema is a test one, and is defined as:

Alert:
  type: object
  properties:
     name:
       type: string
       example: "Test string"

This renders the following code in examples/client.rs

 // Disabled because there's no example.
        Some("ExecuteAlert") => {
            let result = core.run(client.execute_alert(???));
            println!("{:?} (X-Span-ID: {:?})", result, (client.context() as &Has<XSpanIdString>).get().clone());
         },

Is this something which is meant to work when examples are set?

Begin with the generated examples/client.rs output from the rust-server case and the OpenAPI schema shown in the report. Reproduce using rust-server 4.0.1, then trace why the Alert property's example does not yield a usable argument; done means the generated example no longer contains ??? when examples are provided.