How to fix overflow at link end?

There is an overflow at the end of the link.

There is an overflow at the end as shown in the picture

My Link Template:

    go.Shape.defineArrowheadGeometry("MyArrow", go.Geometry.parse("M 3.132812 9.402344 C 3.070312 9.464844 2.992188 9.496094 2.90625 9.496094 C 2.820312 9.496094 2.746094 9.464844 2.683594 9.402344 C 2.558594 9.277344 2.558594 9.078125 2.683594 8.953125 L 6.636719 5 L 2.683594 1.046875 C 2.558594 0.921875 2.558594 0.722656 2.683594 0.597656 C 2.804688 0.472656 3.007812 0.472656 3.132812 0.597656 L 7.308594 4.773438 C 7.433594 4.898438 7.433594 5.101562 7.308594 5.226562 Z M 3.132812 9.402344", true));

    this.diagram.linkTemplate =
                goMake(go.Link, go.Link.Bezier,
                    {
                        fromEndSegmentLength: 50,
                        toEndSegmentLength: 125,
                        adjusting: go.Link.End, //this.getGoEnumValue(this.findConfigDiagram("linkConfig", "adjusting")),
                        zOrder: -1
                    },
                    {
                        selectionAdornmentTemplate:
                            goMake(go.Adornment,
                                goMake(go.Shape,
                                    { isPanelMain: true, stroke: "dodgerblue", strokeWidth: 1 }),
                                goMake(go.Shape,
                                    { toArrow: "MyArrow", fill: "dodgerblue", stroke: null })
                            )
                    },
                    new go.Binding("points").makeTwoWay(),

                    goMake(go.Shape,  // the highlight shape, normally transparent
                        {
                            isPanelMain: true,
                            strokeWidth: 2,
                            stroke: "transparent",
                            name: "HIGHLIGHT",
                        }),
                    goMake(go.Shape, "RoundedRectangle", // the link path shape
                        {
                            isPanelMain: true,
                            strokeWidth: 1
                        },
                        new go.Binding("stroke", "", this.bindLinkBorderColor)
                    ),
                    goMake(go.Shape,  // the arrowhead
                        {
                            toArrow: "MyArrow",
                            strokeWidth: 0
                        },
                        new go.Binding("fill", "", this.bindLinkBorderColor)
                        //new go.Binding("stroke", "", this.bindLinkBorderColor),
                    ),
                    goMake(go.Panel, "Auto",
                        {
                            _isLinkLabel: this.findConfigDiagram("linkConfig", "isDraggableLinkLabel")
                        },
                        goMake(go.Shape, "RoundedRectangle",  // the label background, which becomes transparent around the edges
                            {
                                name: "linkTextBlockBackground",
                            },
                            new go.Binding("fill", "", this.bindLinkTextBackgroundColor).makeTwoWay(),
                            new go.Binding("stroke", "", this.bindLinkTextBackgroundColor).makeTwoWay(),
                            new go.Binding("visible", "", this.bindLinkTextShow).makeTwoWay(),
                        ),


                        goMake(go.TextBlock, "transition",  // the label text
                            {
                                name: "linkTextBlock",
                                textAlign: "center",
                                isMultiline: false,
                                font: "6pt sans-serif",
                                margin: new go.Margin(2, 2, 1.41, 2),
                                editable: true,  // enable in-place editing
                            },
                            new go.Binding("text", "", this.bindLinkText).makeTwoWay(this.converterLinkText)
                        )
                    )
                );

On the link template try setting toShortLength: 1.