GroupPrototype in Custom dynamic control has a value

[Benjamín Gautier]

I'm submitting a

[x] Bug / Regression
[ ] Feature Request / Proposal

I'm using

NG Dynamic Forms Version: `12.0.0`

[x] Basic UI
[ ] Bootstrap UI  
[ ] Foundation UI
[ ] Ionic UI
[ ] Kendo UI
[ ] Material  
[ ] NG Bootstrap
[ ] Prime NG

Description

Hi! We create a custom dynamic form control to group controls in layout, when we use in form arrays happens that the groupPrototype has values. How i can prevent that?

[Benjamín Gautier]

this happens when in groupPrototype exist's groups, as an example:

[
  {
    "id": "myFormArray",
    "name": "formArray",
    "type": "ARRAY",
    "groupPrototype": [
      {
        "type": "SELECT",
        "id": "selectExample",
        "name": "select",
        "options": [
          {
            "value": "option1",
            "label": "option 1"
          },
          {
            "value": "option2",
            "label": "option 2"
          }
        ],
        "filter": true,
        "layout": {
          "grid": {
            "host": "col-12 col-sm-12 col-md-12 col-lg-3 col-xl-3"
          }
        }
      },
      {
        "type": "GROUP",
        "id": "test1",
        "group": [
          {
            "type": "INPUT",
            "id": "test2"
          }  
        ]
      }
    ],
    "layout": {
      "grid": {
        "host": "col-12",
        "control": "solid-item",
        "container": "center start"
      },
      "element": {
        "group": "col-12"
      }
    },
    "initialCount": 1
  }
]