"Clear Workspace Interpreter Setting" removes comments before and after "python.pythonPath"

[bersbersbers]

Environment data

• VS Code version: 1.56.2
• Extension version (available under the Extensions sidebar): v2021.5.842923320
• OS and version: Windows, Remote SSH into Linux

Expected behaviour

Comments should not be removed from the workspace configuration.

Actual behaviour

Comments are removed from the workspace configuration.

Steps to reproduce:

1. Have this in your .code-workspace file:

    // comment
    "settings": {
        // comment
        // comment
        "python.pythonPath": "whatever",
        // comment
        // comment
        "abc.def": "/next/setting",
        // comment
        ...
    }

2. Call "Clear Workspace Interpreter Setting"

Closely related: microsoft/vscode#29453

[karrtikr]

Closing as dup of microsoft/vscode#29453. We rely on VSCode API which does this.