Add line routing patches

patches/qtnodes-connection-boundingRect.patch

@@ -0,0 +1,19 @@
+diff --git a/src/ConnectionGraphicsObject.cpp b/src/ConnectionGraphicsObject.cpp
+index 05ae46b..9a1eeea 100644
+--- a/src/ConnectionGraphicsObject.cpp
++++ b/src/ConnectionGraphicsObject.cpp
+@@ -107,6 +107,14 @@ QRectF ConnectionGraphicsObject::boundingRect() const
+ 
+     QRectF commonRect = basicRect.united(c1c2Rect);
+ 
++    // Include the painter stroke so custom painters that route beyond
++    // the default bezier control points are not clipped.
++    auto *ns = nodeScene();
++    if (ns) {
++        QRectF strokeRect = ns->connectionPainter().getPainterStroke(*this).boundingRect();
++        commonRect = commonRect.united(strokeRect);
++    }
++
+     auto const &connectionStyle = StyleCollection::connectionStyle();
+     float const diam = connectionStyle.pointDiameter();
+     QPointF const cornerOffset(diam, diam);