fix: msdl fixed

[RadNotRed]

Type

• Rewrite already written documentation
• Add/remove new pages

Questions

• Did you preview your changes beforehand?
• Did you read the Atlas Contribution Guidelines?

Describe your pull request

Fixed MSDL downloader

[Copilot]

Pull Request Overview

This pull request fixes the MSDL downloader by updating the API endpoints and simplifying the download logic.

• Revised API URL usage and removed deprecated URL variables.
• Simplified error handling and updated event binding methods.
• Changed button text from “Submit” to “Download” and removed shared session logic.

Comments suppressed due to low confidence (1)

docs/javascript/msdl.v1.js:122

• The variable winProductID is used to construct the download URL but is not assigned a value within this diff; please ensure it is properly initialized before usage to avoid unintended behavior.

let url = `${apiUrl}proxy?product_id=${winProductID}&sku_id=${skuId}`;