fix(data-table): add missing background color (white) (#1321)

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: jonnybel

packages/components/data-table/src/data-table.styles.js

@@ -18,6 +18,7 @@ const TableGrid = styled.table`
   position: relative;
   z-index: 0;
   display: grid;
+  background-color: ${vars.colorSurface};
   /* stylelint-disable function-whitespace-after */
   grid-template-columns: ${(props) =>
     props.columns.map((column) => column.width || 'auto').join(' ')};