scroll top was coming back as 0 after the calulation which was causing the entire list to start re-rending again and entire system hangs if no of nodes in tree are more than 10K

Author: Pankaj

src/StickyTree.jsx

@@ -743,6 +743,10 @@ export default class StickyTree extends React.PureComponent {
             scrollTop = this.elem.scrollHeight - this.elem.offsetHeight;
         }
 
+        if (scrollTop === this.state.scrollTop) {
+            return;
+        }
+
         let pos;
         if (scrollTop > this.state.scrollTop || currNodePos === 0) {
             pos = this.forwardSearch(scrollTop, currNodePos);