Fix #5087 Connecting lines to targeted entities don't show up if 'Def…

…ault' layer was hidden.

The target node was correctly moved into the owning node's layer set, but its visibility flags were not updated afterwards.

radiant/entity/target/TargetableNode.cpp

@@ -123,10 +123,13 @@ void TargetableNode::onTargetKeyCollectionChanged()
         if (!_targetLineNode)
         {
             _targetLineNode.reset(new TargetLineNode(_node));
-            scene::addNodeToContainer(_targetLineNode, _node.shared_from_this());
-
+
 			// Fix #4373: Move the target lines to the same layers as the owning node
 			_targetLineNode->assignToLayers(_node.getLayers());
+
+			// Add the target node as child to the owning node,
+			// this also updates its layer visibility flags
+            scene::addNodeToContainer(_targetLineNode, _node.shared_from_this());
         }
     }
     else // No more targets