src/vs/workbench/services/dialogs/browser/fileDialogService.ts/FileDialogService/addFileSchemaIfNeeded
class FileDialogService:	protected override addFileSchemaIfNeeded(schema: string, isFolder: boolean): string[] {
		return (schema === Schemas.untitled) ? [Schemas.file]
			: (((schema !== Schemas.file) && (!isFolder || (schema !== Schemas.vscodeRemote))) ? [schema, Schemas.file] : [schema]);
	}