get data from multiple collection using array of key

i want data of orders collection where order _id =1 and her inventId object with it... i want the same output, i attach all of the code given blow please check and make a query for me... which response is same as i want Orders Collection

 [
    {
      "_id": 1,
      "item": "almonds",
      "price": 12,
      "inventId": [
        {
          "id": 1
        },
        {
          "id": 2
        },
        
      ],
      "quantity": 2
    },
    {
      "_id": 2,
      "item": "pecans",
      "price": 32,
      "inventId": [
        {
          "id": 1
        },
      
        
      ],
    }
  ],

inventoryCollection

 "inventory": [
    {
      "_id": 1,
      "sku": "almonds",
      "description": "product 1",
      "instock": 120
    },
    {
      "_id": 2,
      "sku": "bread",
      "description": "product 2",
      "instock": 80
    },
    {
      "_id": 3,
      "sku": "cashews",
      "description": "product 3",
      "instock": 60
    },
  ]

and the output which i want..

[
  {
      "_id": 1,
      "item": "almonds",
      "price": 12,
      "quantity": 2,
      "inventory_docs":[
        {
          "_id": 1,
          "description": "product 1",
          "instock": 120,
          "sku": "almonds"
        }, {
          "_id": 2,
          "description": "product 2",
          "instock": 80,
          "sku": "bread"
        }
      ]
  }
]