Fixed appending a line to wxGraphicsPath with Direct2D renderer.

If there is necessary to start a new D2D figure prior to appending the line to the path it should be started at the current point and not always at (0,0).

See #17520

src/msw/graphicsd2d.cpp

@@ -1153,7 +1153,7 @@ void wxD2DPathData::MoveToPoint(wxDouble x, wxDouble y)
 // adds a straight line from the current point to (x,y)
 void wxD2DPathData::AddLineToPoint(wxDouble x, wxDouble y)
 {
-    EnsureFigureOpen();
+    EnsureFigureOpen(m_currentPoint.x, m_currentPoint.y);
     m_geometrySink->AddLine(D2D1::Point2F(x, y));
 
     m_currentPoint = D2D1::Point2F(x, y);