get moduleschema/yangresouce endpoint not working

Problem:

dmi/v1/ch/{cmHandle}/moduleResources

endpoint in dmi defines highlighted body as object
{
  "operation": "read",
    "dataType": "application/json",
    "data": {
       "modules": [
        {
          "name": "pnf-sw-upgrade",
          "revision": "2019-12-03"
        }
      ]
    },
    "cmHandleProperties": {
      "subSystemId": "system-001"
    }
}

however, ncmp send it as string under cps-634.
And they are incompatible with each other.

Proposal:
To fix it

• Either change ncmp/getmoduleresource call to data:object for this specific case https://gerrit.nordix.org/c/onap/cps/+/10640
• Or change dmi/openapi definition to data:string for this specific case