Creates an incident form field selection

curl --request POST \
  --url https://api.rootly.com/v1/incidents/{incident_id}/form_field_selections \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "data": {
    "type": "incident_form_field_selections",
    "attributes": {
      "incident_id": "<string>",
      "form_field_id": "<string>",
      "value": "<string>",
      "selected_catalog_entity_ids": [
        "<string>"
      ],
      "selected_group_ids": [
        "<string>"
      ],
      "selected_option_ids": [
        "<string>"
      ],
      "selected_service_ids": [
        "<string>"
      ],
      "selected_functionality_ids": [
        "<string>"
      ],
      "selected_user_ids": [
        123
      ]
    }
  }
}'

{
  "data": {
    "id": "c2846ee4-be39-408d-813a-a0c8850119ca",
    "type": "incident_form_field_selections",
    "attributes": {
      "incident_id": "c4d739e2-296c-4153-bf5e-10fc8ed86ad3",
      "custom_field_id": 32,
      "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
      "form_field": {
        "id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
        "team_id": 198,
        "slug": "veritatis-magni-et-quam",
        "kind": "custom",
        "input_kind": "text",
        "value_kind": "inherit",
        "value_kind_catalog_id": null,
        "name": "Veritatis magni et quam.",
        "description": "Animi eligendi aliquid omnis.",
        "shown": [
          "web_new_incident_form",
          "web_update_incident_form",
          "slack_new_incident_form",
          "slack_update_incident_form"
        ],
        "required": [],
        "default_values": [],
        "show_on_incident_details": true,
        "enabled": true,
        "updated_at": "2025-03-28T23:01:30.181-07:00",
        "created_at": "2025-03-28T23:01:30.181-07:00",
        "options": [
          {
            "id": "94955c02-06aa-4a30-a494-7db19e9a3e21",
            "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
            "value": "Atque ratione distinctio odit.",
            "color": "#FBE4A0",
            "default": false,
            "position": 1,
            "updated_at": "2025-03-28T23:01:30.247-07:00",
            "created_at": "2025-03-28T23:01:30.247-07:00"
          },
          {
            "id": "91cec401-99a7-494c-8748-ca0f8b7f9508",
            "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
            "value": "Sed voluptatem tempora autem.",
            "color": "#FBE4A0",
            "default": false,
            "position": 2,
            "updated_at": "2025-03-28T23:01:30.250-07:00",
            "created_at": "2025-03-28T23:01:30.250-07:00"
          }
        ],
        "positions": [
          {
            "id": "46d54fb7-0438-464d-8a67-ed358977c2f7",
            "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
            "form": "slack_new_incident_form",
            "position": 2
          },
          {
            "id": "47a9ae49-eecc-46f5-9e9a-c975698a8fcf",
            "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
            "form": "web_update_incident_form",
            "position": 2
          },
          {
            "id": "b785f38c-a316-4973-91e2-d10e678f73a2",
            "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
            "form": "slack_update_incident_form",
            "position": 2
          },
          {
            "id": "c75eee56-af3e-45e4-a3ec-9c9e47357490",
            "form_field_id": "5a8053a6-a329-48bd-875e-694c5ed4e4df",
            "form": "web_new_incident_form",
            "position": 2
          }
        ]
      },
      "value": "Test custom field",
      "selected_group_ids": [],
      "selected_groups": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_option_ids": [],
      "selected_options": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_service_ids": [],
      "selected_services": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_functionality_ids": [],
      "selected_functionalities": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_catalog_entity_ids": [],
      "selected_catalog_entities": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_user_ids": [],
      "selected_users": {
        "id": null,
        "value": "Test custom field"
      }
    }
  }
}