feat: only apply layouting optimizations for graphs larger than 5k nodes

And use more conservative settings to prevent jitter

libs/shared/lib/vis/visualizations/nodelinkvis/components/NLPixi.tsx

@@ -103,11 +103,11 @@ export const NLPixi = (props: Props) => {
   useEffect(() => {
     if (nodeMap.current.size === 0) return;
 
-    const newTexture = (props.configuration.shapes.shape == 'rectangle') ? textureSquare : texture;
+    const newTexture = (props.configuration.shapes?.shape == 'rectangle') ? textureSquare : texture;
     for (const sprite of nodeMap.current.values()) {
       sprite.texture = newTexture;  
     }
-  }, [props.configuration.shapes.shape]);
+  }, [props.configuration.shapes?.shape]);
 
   const imperative = useRef<any>(null);