Add a setting for logging REST traffic

[isc-bsaviano]

This PR fixes #1460. The new objectscript.outputRESTTraffic setting supersedes the objectscript.studioActionDebugOutput setting. An example log output can be found below. I also had to make some test changes to address build failures.

+- REQUEST - 2:44:07 PM ----------------------------
GET http://localhost:52773/iris/api/atelier/
COOKIE: <value>
ACCEPT: application/json
CACHE-CONTROL: no-cache
AUTHORIZATION: <value>
+- RESPONSE - 2:44:07 PM ---------------------------
200 OK
DATE: Wed, 22 Jan 2025 19:44:07 GMT
SERVER: Apache/2.4.59 (Unix)
SET-COOKIE: <value>
CACHE-CONTROL: no-cache
EXPIRES: Thu, 29 Oct 1998 17:04:19 GMT
PRAGMA: no-cache
CONTENT-LENGTH: 395
CONNECTION: close
CONTENT-TYPE: application/json; charset=utf-8
Body:
{
  "status": {
    "errors": [],
    "summary": ""
  },
  "console": [],
  "result": {
    "content": {
      "version": "IRIS for UNIX (Apple macOS for Apple Silicon) 2025.1.0L (Build 167U) Thu Dec 19 2024 22:38:12 EST",
      "id": "2AE69020-5937-11ED-AA35-BCD07402FD8D",
      "api": 8,
      "features": [
        {
          "name": "DEEPSEE",
          "enabled": true
        },
        {
          "name": "ENSEMBLE",
          "enabled": true
        },
        {
          "name": "HEALTHSHARE",
          "enabled": false
        }
      ],
      "namespaces": [
        "%SYS",
        "INTEROP",
        "USER"
      ]
    }
  }
}
+- END ----------------------------------------------

[gjsjohnmurray]

LGTM. Only one nitpick in setting description.