Fixed separation of ports on GraphNode

Fixes #32474.

scene/gui/graph_node.cpp

@@ -503,9 +503,7 @@ void GraphNode::_connpos_update() {
 			}
 		}
 
-		if (vofs > 0) {
-			vofs += sep;
-		}
+		vofs += sep;
 		vofs += size.y;
 		idx++;
 	}