const actualArray = [
{
    "id": "1ff",
    "tag": "sedan_at",
    "value": "168.30000",
    "unitId": 1,
    "currency": "USD",
    "price": "10000.00000",
    "name": "audi",
    "groupId": 1,
    "groupName": "firstGroup",
    "displaySequence": 1
},
{
    "id": "2ch",
    "tag": "sedan_gl",
    "value": "181.00000",
    "unitId": 1,
    "currency": "USD",
    "price": "10000.00000",
    "name": "audi",
    "groupId": 1,
    "groupName": "firstGroup",
    "displaySequence": 1
},
{
    "id": "3ff",
    "tag": "hatchBack_at",
    "value": "90",
    "unitId": 2,
    "currency": "USD",
    "price": "6000",
    "name": "mini cooper",
    "groupId": 2,
    "groupName": "secondGroup",
    "displaySequence": 2
},
 {
    "id": "3kr",
    "tag": "hatchBack_gl",
    "value": "120",
    "unitId": 2,
    "currency": "USD",
    "price": "6000",
    "name": "mini cooper",
    "groupId": 2,
    "groupName": "secondGroup",
    "displaySequence": 2
}

const desiredArray = [{
groupName: "firstGroup",
displaySequence: "1",
groupId: 1,
units: [
  {
    unitId: 1,
    name: "audi",
    performance_targets: {
      "kpis": [
        {
          "actual_value": "168.30000",
          "target_value": "181.00000",
          "currency": "USD",

        }
      ],
      "profit_impact": {
        "value": "10000.000",
        "currency": "USD",
      }
    }
  },
   {
    unitId: 2,
    name: "mini cooper",
    performance_targets: {
      "kpis": [
        {
          "actual_value": "90",
          "target_value": "120",
          "currency": "USD",

        }
      ],
      "profit_impact": {
        "value": "6000.000",
        "currency": "USD",
      }
    }
  }
]