修复表单生成器配置项样式问题

app_web/src/components/avue-component/avue-component.less

 .avue-component{
     border:1px solid #f0f0f0;
     padding:5px;
+    .form-designer{
+        .fields-list{
+            a{
+                color:#333!important;
+            }
+            a:hover{
+                color:#2b85e4!important;
+            }
+        }
+    }
 }
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