Msbuildproperties

[TheAngryByrd]

Corresponding PR for https://github.com/fsharp/FsAutoComplete/pull/1065/files

WHAT

🤖 Generated by Copilot at 1ff8aec

This pull request enhances the F# language service configuration and observability in VS Code. It adds new options for release/package.json to control various aspects of the language service, and enables OpenTelemetry tracing for src/Core/LanguageService.fs and FsAutoComplete.

🤖 Generated by Copilot at 1ff8aec

The F# language service got some tweaks
To customize its MSBuild and speaks
You can now trace and notify
With OpenTelemetry
And also remove some whitespaces that sneak

🔧📊🚀

WHY

HOW

🤖 Generated by Copilot at 1ff8aec

• Add configuration options for MSBuild properties, notifications and tracing, and OpenTelemetry exporter (link, link, link, link)

• FSharp.buildOptions.msBuildProperties allows customizing the design time load of F# projects in release/package.json (link)
• FSharp.notifications.trace, FSharp.notifications.traceNamespaces, and FSharp.openTelemetry.enabled enable verbose notifications and tracing using System.Diagnostics.Activity and OpenTelemetry in release/package.json (link)
• FSharp.openTelemetry.enabled is read by the getOptions function in src/Core/LanguageService.fs and passed to the spawnNetCore function as --otel-exporter-enabled argument (link, link)

• Remove trailing whitespaces from FSharp.fsac.conserveMemory and FSharp.fsac.parallelReferenceResolution options in release/package.json (link, link)