[BUG] NotNull annotation is not set for requiered body in jaxrs-cxf

Created by: acommuni

Bug Report Checklist

• [X ] Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• [X ] What's the version of OpenAPI Generator used?
• [X ] Have you search for related issues/PRs?
• [X ] What's the actual output vs expected output?
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Description

When validation is activated with jaxrs-cxf and a body is requiered the annotation @NotNull is not set

openapi-generator version

4.1.3

OpenAPI declaration file content or url

          <language>jaxrs-cxf</language>
          <generateApis>true</generateApis>
          <generateApiTests>false</generateApiTests>
          <generateModels>true</generateModels>
          <generateSupportingFiles>false</generateSupportingFiles>
          <addCompileSourceRoot>true</addCompileSourceRoot>
          <configOptions>
            <serializableModel>true</serializableModel>
            <sourceFolder>src/main/java</sourceFolder>
            <dateLibrary>java8</dateLibrary><java8>true</java8>
            <invokerPackage>${package-path}.invoker</invokerPackage>
            <modelPackage>${package-path}.model</modelPackage>
            <apiPackage>${package-path}.api</apiPackage>
            <serializableModel>true</serializableModel>
            <useBeanValidation>true</useBeanValidation>
            <useReflectionEqualsHashCode>true</useReflectionEqualsHashCode>
            <useGenericResponse>true</useGenericResponse>
            <booleanGetterPrefix>get</booleanGetterPrefix>
            <addConsumesProducesJson>false</addConsumesProducesJson> 
            <useAnnotatedBasePath>true</useAnnotatedBasePath>               
          </configOptions>
        </configuration>

Command line used for generation

Steps to reproduce

Related issues/PRs

Suggest a fix

You will find the new mustasche for bodyParams

bodyParams.zip