fix: NaN rows in dataframe output renderer

Author: saltenasl

src/webviews/webview-side/dataframe-renderer/DataframeRenderer.tsx

@@ -75,7 +75,7 @@ export const DataframeRenderer = memo(function DataframeRenderer({
     const selectId = useMemo(() => generateUuid(), []);
 
     const filteredColumns = data.columns.filter((column) => !column.name.startsWith('_deepnote_'));
-    const numberOfRows = Math.min(data.row_count, data.preview_row_count);
+    const numberOfRows = data.preview_row_count ?? data.row_count;
     const numberOfColumns = filteredColumns.length;
 
     const totalPages = Math.ceil(data.row_count / pageSize);