Method completion insertion is mangled

[connor4312]

On the latest Insiders

1. Check out this branch https://github.com/microsoft/vscode/tree/connor4312/ts-insert-issue and go to L215 of extHostDebugService.ts

2. Type public $

   

3. Accept the completion for $provideDebugVisualization, and notice the insertion gets mangled 🐛