fix: give large table load more row one grid track

styles/42-components-data-display.css

@@ -138,6 +138,10 @@
   box-sizing: border-box;
 }
 
+.sg-large-table__row--load-more {
+  grid-template-columns: minmax(0, 1fr);
+}
+
 .sg-large-table__cell--header {
   position: relative;
   padding: 0;