refactor: 优化字典选中效果

continew-admin-system/src/main/java/top/charles7c/cnadmin/system/model/vo/DictVO.java

@@ -57,4 +57,9 @@ public class DictVO extends BaseVO {
      */
     @Schema(description = "是否为系统内置数据", example = "true")
     private Boolean isSystem;
+
+    @Override
+    public Boolean getDisabled() {
+        return this.getIsSystem();
+    }
 }