refactor(connectionline): use abs pos

src/container/NodeRenderer/index.tsx

@@ -74,6 +74,7 @@ const NodeRenderer = (props: NodeRendererProps) => {
 
         return (
           <NodeComponent
+            key={node.id}
             id={node.id}
             className={node.className}
             style={node.style}

src/container/ZoomPane/index.tsx

@@ -278,7 +278,7 @@ const ZoomPane = ({
   ]);
 
   return (
-    <div className="react-flow__renderer react-flow__zoompane" ref={zoomPane}>
+    <div className="react-flow__renderer react-flow__container" ref={zoomPane}>
       {children}
     </div>
   );