Update viewer.js

viewer.js

@@ -181,13 +181,11 @@ export async function initializeViewer(config, instanceId) {
     app.start();
     progressDialog.style.display = 'none';
 
-    const quat = new pc.Quat();
-    quat.setFromEulerAngles(modelRotationX, modelRotationY, modelRotationZ);
-
+    
     modelEntity = new pc.Entity('model');
     modelEntity.addComponent('gsplat', { asset: assets.sogs });
     modelEntity.setLocalPosition(modelX, modelY, modelZ);
-    modelEntity.setLocalRotation(quat);
+    modelEntity.setFromEulerAngles(modelRotationX, modelRotationY, modelRotationZ);
     modelEntity.setLocalScale(modelScale, modelScale, modelScale);
     app.root.addChild(modelEntity);