How can the response payload be modified to have the namespace prefix for the root element in OIC?

Summary:

Hello world response payload is missing the namespace prefix for the root element

Content (required):

I have been working on an integration migration project. After the migration, customer pointed out that the root element should have the namespace prefix, which is missing from the response payload. Example in the Code Snippet below is from the Hello World integration

Version (include the version you are using, if applicable):

OIC Gen 2

Code Snippet (add any code snippets that support your topic, if applicable):

<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">

  <env:Header/>

  <env:Body>

      <GreetResponse xmlns:apachesoap="http://xml.apache.org/xml-soap"