Fix popover style

src/routes/Forms/style.less

@@ -33,13 +33,9 @@
 
 .errorPopover {
   :global {
-    .ant-popover-title {
-      height: 42px;
-      line-height: 42px;
-    }
     .ant-popover-inner-content {
       padding: 0;
-      max-height: 300px;
+      max-height: 290px;
       overflow: auto;
       min-width: 240px;
     }