Add key packages in Script

[coditva]

Picked changes from #1352 by @aditya-baradwaj

---

We are adding a key packages inside Script.

• packages is an object, with name of the package as the key, and value being an object that contains the id of the package.
• This key is optional. If this key is not already present, it will NOT be added with a default value.

"script": {
    "id": "51f1d8c7-6006-43e8-90f6-846cc8144d7f",
    "exec": [
        "console.log('x');"
    ],
    "type": "text/javascript",
    "packages": {
        "package1": {
            "id": "9e85cce9-389d-43f4-8fa1-4c4340585521"
        },
        "package2": {
            "id": "a09d471f-ec97-47fa-85fe-e59d9098dad2"
        }
    }
}

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (a175ec3) to head (81c4174).

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Additional details and impacted files

@@            Coverage Diff            @@
##           develop     #1356   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           37        37           
  Lines         2176      2177    +1     
  Branches       660       660           
=========================================
+ Hits          2176      2177    +1     

Flag	Coverage Δ
unit	100.00% <100.00%> (ø)

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