[Data Grid] Fix logic when pageSize larger than number of rows (#726) (…

…#825)

* Fix logic when pageSize larger than number of rows



* Remove incorrect fix



* Fix logic when pageSize larger than number of rows



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(cherry picked from commit f65b5ca)

Signed-off-by: Sirazh Gabdullin <sirazh.gabdullin@nu.edu.kz>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/components/datagrid/data_grid_body.tsx

@@ -629,7 +629,7 @@ export const OuiDataGridBody: FunctionComponent<OuiDataGridBodyProps> = (
   }, [getRowHeight]);
 
   const rowCountToAffordFor = pagination
-    ? pagination.pageSize
+    ? Math.min(pagination.pageSize, rowCount)
     : visibleRowIndices.length;
   const unconstrainedHeight =
     defaultHeight * rowCountToAffordFor + headerRowHeight + footerRowHeight;