fix: 基准线仅在正交视图可见

public/static/lib/potree/potree.js

@@ -89910,7 +89910,7 @@ void main()
 	            intersect.pointclouds = intersectPoint ? intersectPoint.pointclouds : [];
 	        }
 	        
-	        
+	         
 	        
 	        viewer.addTimeMark('getIntersect','end');
 	        //点云费时：2-15ms