feat: file download success/failure COMPASS-9095

[paula-stacho]

Description

What we're trying to solve:
When the download is handed over to the browser, a full-fledged browser will show the download progress and success/failure + link to the file.
Example: chrome

Desktop electron doesn't have this, and it feels weird when you click save and nothing happens. So we're adding a minimalistic solution to for browser download success/failure, by listening to the session's will-download - see electron docs.

• The messaging is generic, because the solution is generic.
• Error message is unfortunately not available.
• No progress, because it's a bit trickier, the schema export is pretty quick, and we didn't want to spend much time on this. Can be a follow up.

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Note: if you want to reproduce the failure, try saving the file into a read-only folder.

Checklist

• New tests and/or benchmarks are included
• Documentation is changed or added
• If this change updates the UI, screenshots/videos are added and a design review is requested
• I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• Bugfix
• New feature
• Dependency update
• Misc

Open Questions

Dependents

Types of changes

• Backport Needed
• Patch (non-breaking change which fixes an issue)
• Minor (non-breaking change which adds functionality)
• Major (fix or feature that would cause existing functionality to change)

[Anemy]

lgtm!