src/vs/base/common/comparers.ts/compareCaseLowerFirst
function compareCaseLowerFirst(one: string, other: string): number {
	if (startsWithLower(one) && startsWithUpper(other)) {
		return -1;
	}
	return (startsWithUpper(one) && startsWithLower(other)) ? 1 : 0;
}