[Monaco] Make minimap toggleable

[PesBandi]

Summary of the Pull Request

Adds the option to toggle the minimap for file preview (Peek and Preview Pane)

PR Checklist

• [x] Closes: #33471
• [x] Communication: I've discussed this with core contributors already.
• [x] Tests: Added/updated and all pass
• [x] Localization: All end user facing strings can be localized
• [x] Dev docs: No need
• [x] New binaries: None
• [x] Documentation updated: No need

Detailed Description of the Pull Request / Additional comments

Adds a setting to Peek and File Explorer add-ons to toggle the Monaco minimap. Disabled by default. Also adds a context menu item to Monaco to toggle the minimap.

Validation Steps Performed

Testing Peek and Preview Pane