fix: [Cascader] fix icon width error in option list pannel (#2529)

packages/semi-foundation/cascader/cascader.scss

@@ -436,7 +436,7 @@ $module: #{$prefix}-cascader;
         &-icon {
             display: inline-flex;
             flex-shrink: 0;
-            width: $width-cascader-icon;
+            width:$width-cascader-option-icon;
             color: $color-cascader_option-icon-default;
 
             &-active,
@@ -450,13 +450,13 @@ $module: #{$prefix}-cascader;
         }
 
         &-spin-icon {
-            width: $width-cascader-icon;
-            height: $width-cascader-icon;
+            width: $width-cascader-option-icon;
+            height: $width-cascader-option-icon;
             line-height: 0;
 
             & svg {
-                width: $width-cascader-icon;
-                height: $width-cascader-icon;
+                width: $width-cascader-option-icon;
+                height: $width-cascader-option-icon;
             }
         }
 

packages/semi-foundation/cascader/variables.scss

@@ -92,7 +92,8 @@ $height-cascader_large: $height-control-large; // 级联选择触发器高度 -
 $width-cascader_hover-border: $width-cascader-border; // 级联选择触发器描边宽度 - 悬浮
 $width-cascader_focus-border: $border-thickness-control-focus; // 级联选择触发器描边宽度 - 选中态
 $width-cascader_search-border: 1px; // 级联选择触搜索描边宽度
-$width-cascader-icon: 32px; // 级联选择图标尺寸
+$width-cascader-icon: 32px; // 级联选择触发器图标尺寸
+$width-cascader-option-icon: 16px; // 级联选择选项面板图标尺寸
 $width-cascader_option:  150px; // 级联选择各级菜单宽度
 $height-cascader_option_list: 180px; // 级联选择菜单高度
 $height-cascader_selection_tagInput_wrapper_small: 22px;  //级联选择多选搜索时搜索框最小高度 - 小尺寸