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Max value gives a label issue #1149

@SqueedWalz

Description

@SqueedWalz

When I create a line chart and send in yaxis max value of 100 and data points with only 100 % values I get a bug where I can't hover and see the labels on the markers.

When I change to a data value that is <100 or set the yaxis max value to >100 I can see the labels again when hovering.

I'm using the latest version 3.11.0 and React.

let series = [],
    labels = ['test1', 'test2', 'test3'];
labels.forEach(label => {
    let data = [];
    for(let i = 0; i <= 24; i++) {
        let d = new Date();
        d.setHours(d.getHours() - i);
        data.push({
            x: d,
            y: 100
        });
    }
    series.push({
        name: label,
        data: data
    });
});

chartData = {
    options: {
        chart: {
            toolbar: {
                show: true,
                tools: {
                    download: false,
                    selection: true,
                    zoom: true,
                    zoomin: true,
                    zoomout: true,
                    pan: true,
                    reset: true
                },
                autoSelected: 'zoom'
            }
        },
        dataLabels: {
            enabled: false
        },
        stroke: {
            curve: 'straight',
            width: 3
        },
        grid: {
            row: {
                colors: ['#f3f3f3', 'transparent'], // takes an array which will be repeated on columns
                opacity: 0.5
            }
        },
        tooltip: {
            x: {
                format: 'yyyy-MM-dd HH:mm'
            },
        },
        markers: {
            size: 2,
            colors: undefined,
            strokeColors: undefined,
            strokeWidth: 0
        },
        xaxis: {
            type: 'datetime',
            labels: {
                show: true,
                hideOverlappingLabels: true,
                showDuplicates: false
            },
            axisTicks: {
                show: false
            },
            tooltip: {
                enabled: false
            }
        },
        yaxis: {
            decimalsInFloat: 0,
            tickAmount: 5,
            min: 0,
            max: 100,
            labels: {
                formatter: (value) => {
                    if (!value) {
                        return 'N/A';
                    }
                    return value + '%'
                }
            }
        }
    },
    series: series
}

<Chart options={ chartData.options } series={ chartData.series } type="line" width="100%" height="300px" />

Let me know if you need any more info to reproduce this issue.

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