Default RoslynSourceText

[TheAngryByrd]

WHAT

🤖 Generated by Copilot at 330b861

This pull request adds an experimental feature to use RoslynSourceText for the F# language service, which can be enabled by setting FSharp.fsac.sourceTextImplementation in the configuration. It also fixes a typo in release/package.json.

🤖 Generated by Copilot at 330b861

To make the language service faster We use RoslynSourceText as a master We also fix a typo In the package.json file And FSharp.fsac.sourceTextImplementation we no longer plaster

:sparkles::wrench::pencil2:

WHY

Corresponding PR to https://github.com/fsharp/FsAutoComplete/pull/1168

HOW

🤖 Generated by Copilot at 330b861

• Implement RoslynSourceText feature to improve language service performance and memory usage (link, link)
  • Update default value and description of FSharp.fsac.sourceTextImplementation option in package.json to use RoslynSourceText (link)
  • Use configuration value of FSharp.fsac.sourceTextImplementation in getOptions function in LanguageService.fs instead of hard-coded string (link)
• Fix typo by removing extra newline at the end of package.json (link)