tooltip.init.x option not showing tooltip values correctly

[netil]

Description

Tooltip not correctly displaying all data of given x axis values.

Steps to check or reproduce

With below option, is expected tooltip showing corresponding x axis with grouped tooltip values, but it shows wrong data index and it doesn't show full data.

bb.generate({
	data: {
		columns: [
			["data1", 30, 200, 100, 400, 150, 250],
			["data2", 50, 20, 10, 40, 15, 25],
			["data3", 150, 120, 110, 140, 115, 125]
		],
		type: "line"
	},
	tooltip: {
		init: {
			show: true,
			x: 1
		}
	}
});