Limit responsive block display to cell and more-row

issue8813
review276341002

src/sao.less

@@ -629,7 +629,10 @@ input.column-boolean {
                 min-height: calc(@line-height-computed + @table-condensed-cell-padding);
                 display: block;
             }
+        }
 
+        .more-row,
+        .cell {
             .btn {
                 display: block;
                 width: 100%;