fix(transfer): checkbox click evt run repeatedly (#6903)

* fix(transfer): checkbox click evt run repeatedly

* update

Author: kovsu

components/transfer/style/index.less

@@ -189,6 +189,15 @@
     &-footer {
       border-top: @border-width-base @border-style-base @border-color-split;
     }
+
+    &-checkbox {
+      line-height: 1;
+      align-items: center;
+
+      & > span {
+        top: 0;
+      }
+    }
   }
 
   &-operation {