candlestick shape renders wrongly on rotated axis

[netil]

Description

When low values contains negatives, the bullrish(positive values) values isn't rendered correctly.

Steps to check or reproduce

bb.generate({
	data: {
		columns: [
			["data1",
				{open: 100, high: 140, low: -40, close: -20}
			]
		],
		type: "candlestick",
		labels: true
	},
	axis: {
		rotated: true,
		x: {
			type: "category"
		}
	},
	grid: {
		y: {
			show: true
		}
	}
});