refactor(connections): cleanup, naming

examples/vite-app/src/examples/Subflow/index.tsx

@@ -12,6 +12,7 @@ import ReactFlow, {
   MiniMap,
   Background,
   Panel,
+  NodeOrigin,
 } from 'reactflow';
 
 import DebugNode from './DebugNode';

examples/vite-app/src/examples/Switch/index.tsx

@@ -1,5 +1,5 @@
 import { MouseEvent, useCallback } from 'react';
-import ReactFlow, { addEdge, Node, Connection, Edge, useNodesState, useEdgesState } from 'reactflow';
+import ReactFlow, { addEdge, Node, Connection, Edge, useNodesState, useEdgesState, NodeOrigin } from 'reactflow';
 
 const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
 const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);