Behavior change between echarts 4.0.2 and 4.0.3: unselected data series now influences chart visuals

[wartab]

One-line summary [问题简述]

Unselected data series influence the way the charts look.

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]: 4.0.3
• Browser version [浏览器类型和版本]: All
• OS Version [操作系统类型和版本]: All

Expected behaviour [期望结果]

Unselected data series should not have an impact on the visuals (at least not after a minor version increase).

ECharts option [ECharts配置项]

option = {
    "backgroundColor": "#fff",
    "legend": {
        "data": [
            "Category 1",
            "Category 2"
        ],
        "selected": {
            "Category 1": true,
            "Category 2": false
        },
        "align": "right",
        "right": 10,
        "orient": "vertical",
        "selectedMode": "single"
    },
    "tooltip": {},
    "xAxis": {
        "type": "category",
        "data": [
            "mai",
            "juin",
            "juil.",
            "août",
        ],
        "splitLine": {
            "show": true,
            "lineStyle": {
                "color": [
                    "#f0f0f0"
                ]
            }
        }
    },
    "yAxis": {
        "type": "value",
        "splitLine": {
            "show": true,
            "lineStyle": {
                "color": [
                    "#f0f0f0"
                ]
            }
        },
    },
    "series": [
        {
            "name": "Category 2",
            "type": "bar",
            "data": [
                1230,
                2560,
                3780,
                49100,
            ],
            "itemStyle": {"normal": {"color": "#fd7270","barBorderWidth": 1,"barBorderColor": "#e06462"}},
        },
        {
            "name": "Category 1",
            "type": "bar",
            "data": [
                1526,
                16516,
                68432,
                65460,
            ],
            "itemStyle": {"normal": {"color": "#58b7ff","barBorderWidth": 1,"barBorderColor": "#4893ce"}},
        },
        {
            "name": "Category 2",
            "type": "bar",
            "data": [
                30587,
                22400,
                26171,
                19011,
            ],
            "itemStyle": {"normal": {"color": "#b62b28","barBorderWidth": 1,"barBorderColor": "#7a1e1d"}},
        },
        {
            "name": "Category 1",
            "type": "bar",
            "data": [
                46641,
                50055,
                40590,
                42280,
            ],
            "itemStyle": {"normal": {"color": "#005bbc","barBorderWidth": 1,"barBorderColor": "#004e9b"}},
        }
    ]
}

Other comments [其他信息]

Screenshot of 4.0.2

Screenshot of 4.0.3