[JAX-RS] Generator can't add x-field-extra-annotation with comma

[alexrudat77]

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator?
• Have you tested with the latest master to confirm the issue still exists?
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• What's the actual output vs expected output?
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Description

I wanted to generate Code with Jaxr-Rs Generator with additional Properties for JsonFormat and the generated Class only inludes the definition only until comma sign

openapi-generator version

7.19.0

OpenAPI declaration file content or url

Additional propeties from yaml:

apiNamePrefix=I

                           <additionalProperty>
                                vendorExtensions.x-field-extra-annotation=@com.fasterxml.jackson.annotation.JsonFormat(shape
                                = com.fasterxml.jackson.annotation.JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss-SSS")</additionalProperty>
                        </additionalProperties>

Generation Details

Generated Class get following content:

public class TOSVAktuellResponse implements Serializable {
@com.fasterxml.jackson.annotation.JsonFormat(shape
= com.fasterxml.jackson.annotation.JsonFormat.Shape.STRING
private List listeSvIdentifier = new ArrayList<>();
@com.fasterxml.jackson.annotation.JsonFormat(shape
= com.fasterxml.jackson.annotation.JsonFormat.Shape.STRING
private LocalDateTime letzterAblageZeitpunkt = null;

Steps to reproduce

1. Define yaml
2. Build wit maven an Jaxs-rs Generator

Related issues/PRs

Suggest a fix