output: fix map response showing as list

[shwstppr]

This fixes the issue where the map response was showing as a list after #164

Before:

(simulator) 🐱 > create project name=fafafd0sasds filter=id,name
project:
+--------------------------------------+--------------+
|                  ID                  |     NAME     |
+--------------------------------------+--------------+
| 79239118-b454-4c6e-a81a-9f81009859de | fafafd0sasds |
+--------------------------------------+--------------+
(simulator) 🐱 > set output json
(simulator) 🐱 > create project name=fafa0sasds filter=id,name
{
  "project": [
    {
      "id": "d30ca4b9-41a9-4138-9d9c-84a7a1a9cb39",
      "name": "fafa0sasds"
    }
  ]
}

After:

(simulator) 🐱 > create project name=fafafdsasds filter=id,name
{
  "project": {
    "id": "05d92d6e-cfb2-4133-80f1-285b230ee97c",
    "name": "fafafdsasds"
  }
}
(simulator) 🐱 > set output table
(simulator) 🐱 > create project name=fafafd1sasds filter=id,name
project:
+--------------------------------------+--------------+
|                  ID                  |     NAME     |
+--------------------------------------+--------------+
| 597a77b4-22ed-4ef5-95f5-1a009513f224 | fafafd1sasds |
+--------------------------------------+--------------+

[github-actions]

✅ Build complete for PR #179.

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