update 角色授权区域

Web/src/assets/style/lib/cascader.less

@@ -1,4 +1,6 @@
 @import (reference) '~@/assets/style/extend.less';
 .ant-cascader-picker-arrow {
-  transform: scaleY(.75);
+  svg {
+    transform: scaleY(.75);
+  }
 }

Web/src/assets/style/lib/form.less

@@ -40,6 +40,7 @@
     background-color: @white;
 
     @box-shadow-focused: 0 0 0 2px fade(@primary-color, 50%);
+    @control-background: lighten(@black, 95%) !important;
     &::before,
     &::after {
       content: none;
@@ -60,7 +61,7 @@
 
       color: lighten(@black, 10%);
       border: 0;
-      background-color: lighten(@black, 95%) !important;
+      background-color: @control-background;
     }
     .ant-mentions {
       textarea {
@@ -103,6 +104,9 @@
         z-index: 0;
       }
     }
+    .ant-cascader-picker-clear {
+      background-color: @control-background;
+    }
   }
   .ant-form-item-label {
     overflow: hidden;