Fix poll total column UI

www/form/app-form.less

@@ -554,6 +554,9 @@
         & > div {
             display: flex;
         }
+        .cp-poll-total {
+            display: flex;
+        }
         .cp-form-poll-body {
             flex-flow: column;
             max-height: 225px;
@@ -642,6 +645,9 @@
                     }
                 }
             }
+            .cp-poll-total {
+                flex-flow: column;
+            }
             .cp-poll-cell:not(.cp-poll-switch) {
                 &:first-child {
                     width: 100px;