Use "application" scope for global only settings

[dhruvmanila]

Summary

These two settings are only used from the global scope but can be defined at the workspace level. This PR updates the schema so that it's only visible in the "User" settings and not in the "Workspace" settings.

As seen in Ruff server implementation:

https://github.com/astral-sh/ruff/blob/a99832088a31b65f79e578e3131756cfdc0afb0d/crates/ruff_server/src/server.rs#L87-L95

And, we also don't have support for configuring the tracing setup for individual workspaces so it doesn't make sense either.

Reference

From https://code.visualstudio.com/api/references/contribution-points#contributes.configuration:

• application - Settings that apply to all instances of VS Code and can only be configured in user settings.
• window - Windows (instance) specific settings which can be configured in user, workspace, or remote settings.

Test Plan

Screen.Recording.2024-08-29.at.12.59.25.mov

[T-256]

Use case for Workspace scope would be when someone wants to save ruff logs to different log files (e.g. ${folderName}-ruff.log). But since it's rare to this to happen, I agree to go up with this since ruff server already ignores workspace scope for these settings, and let's see if anyone will come up with this as an issue.