Vscode: Add support for use case-sensitive sorting in File Explorer

[LitoMore]

It's a feature request.

• VSCode Version: Version 1.17.1 (1.17.1)
• OS Version: macOS 10.13.1 Beta (17B35a)

Current sorting behavior

- CODE_OF_CONDUCT.md
- composer.json
- CONTRIBUTING.md

Wannted sorting behavior

- CODE_OF_CONDUCT.md
- CONTRIBUTING.md
- composer.json

It can be an option of File Explorer, like:

"explorer.caseSensitiveSorting": true

[isidorn]

There is already explorer.sortOrder which accepts a lot of options. This would be a new option. We accepts PRs that fix this.
Code pointer https://github.com/Microsoft/vscode/blob/master/src/vs/workbench/parts/files/browser/views/explorerViewer.ts#L595

[pradeepmurugesan]

Also requires a change in the sort function ? When I browsed through the code I could find

https://github.com/Microsoft/vscode/blob/master/src/vs/base/common/comparers.ts#L59

is responsible for comparing the filenames and converts everything to lowecase by default.

I believe should also change the method signature here to accept whether its a case-sensitive or case-insensitive comparison. The value of the flag may be case-insensitive by default.

something like

noIntlCompareFileNames(one: string, other: string, caseSensitive:boolean = false): number

Kindly correct me if I am wrong.

[isidorn]

@pradeepmurugesan feel free to submit a pr where we can discuss this further.
@bpasero fyi

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