Fix dataframe height increasing on scroll (#9892)

* changes

* add changeset

---------

Co-authored-by: gradio-pr-bot <[email protected]>

Author: abidlabs

.changeset/social-terms-type.md

@@ -0,0 +1,6 @@
+---
+"@gradio/dataframe": patch
+"gradio": patch
+---
+
+fix:Fix dataframe height increasing on scroll

js/dataframe/shared/VirtualTable.svelte

@@ -248,7 +248,6 @@
 					return { index: i + start, data };
 				});
 
-	$: actual_height = visible.length * average_height + 10;
 	onMount(() => {
 		rows = contents.children as HTMLCollectionOf<HTMLTableRowElement>;
 		mounted = true;