[4.1.3] Grouped Column Chart With One Group Has Incorrect Label

[ZachG]

REQUIRED INFORMATIONExt version tested:

• Ext 4.1.3.584

Browser versions tested against:

• Chrome

Description:

• When a grouped column chart only has one group, the x-axis label shows up on the left side of the chart, but the tick shows up on the right.
• In 4.1.2, both the tick and the label showed up in the middle of the axis as expected.

Steps to reproduce the problem:

• Go to the Grouped Bar example in 4.1.2 and 4.1.3.
• Run the code below

The result that was expected:

• It would work like 4.1.2

The result that occurs instead:

• Nope

Test Case:

  
Ext.onReady(function()    {
    Ext.define("MyModel", {
        extend:"Ext.data.Model",
        fields:[
            "group",
            "y1",
            "y2",
            "y3"
        ]
    });
    
    Ext.create("Ext.window.Window", {
        title:"ExtJS " + Ext.versions.core.version,
        width:500,
        height:500,
        layout:"fit",
        items:[
            {
                xtype:"chart",
                store:{
                    proxy:{
                        type:"memory",
                        reader:"json"
                    },
                    model:"MyModel",
                    data:[
                        {
                            group:1,
                            y1:1,
                            y2:2,
                            y3:3
                        }
                    ]
                },
                axes:[
                    {
                        type:"Category",
                        position:"bottom",
                        fields:["group"]
                    },
                    {
                        type:"Numeric",
                        position:"left",
                        minimum:0,
                        fields:["y1", "y2", "y3"]
                    }
                ],
                series:[
                    {
                        type:"column",
                        axis:"left",
                        xField:"group",
                        yField:["y1", "y2", "y3"]
                    }
                ]
            }
        ]
    }).show();
});