refactor: use existing d3Selection to get the element ref

packages/core/src/container/GraphView/index.tsx

@@ -6,7 +6,6 @@ import EdgeRenderer from '../EdgeRenderer';
 import ViewportWrapper from '../Viewport';
 import useOnInitHandler from '../../hooks/useOnInitHandler';
 import type { EdgeTypesWrapped, NodeTypesWrapped, ReactFlowProps } from '../../types';
-import { EDGE_LABEL_RENDERER_MAIN_CLASS } from '../../constants/component';
 
 export type GraphViewProps = Omit<ReactFlowProps, 'onSelectionChange' | 'nodes' | 'edges' | 'nodeTypes' | 'edgeTypes'> &
   Required<
@@ -159,7 +158,7 @@ const GraphView = ({
           disableKeyboardA11y={disableKeyboardA11y}
           rfId={rfId}
         />
-        <div className={EDGE_LABEL_RENDERER_MAIN_CLASS} />
+        <div className="react-flow__edgelabel-renderer" />
 
         <NodeRenderer
           nodeTypes={nodeTypes}