Hide node labels from the user.

display/display.css

@@ -51,6 +51,7 @@
     -ms-user-select: none; /* Internet Explorer/Edge */
     user-select: none; /* Non-prefixed version, currently
                                   supported by Chrome, Edge, Opera and Firefox */
+    cursor: default;
 }
 
 .close-button {

display/graph.js

@@ -55,7 +55,7 @@ export default class Graph {
             rendererConfig: { antialias: true },
         })(document.getElementById("3d-graph"))
             .graphData(this.gData)
-            .nodeLabel("id")
+            .nodeLabel("hidden")  // Just a value that is not present as node attribute.
             .nodeAutoColorBy("group")
             .nodeColor((node) => this.getNodeColor(node))
             .linkWidth((link) => this.getLinkWidth(link))