优化：部门新增类型字段，用于标识部门是系统内置或自定义

1.系统内置部门不允许禁用、删除、修改上级部门
2.抽取 getAncestors 方法，用于复用获取祖级列表
3.删除部门时，自动删除角色和部门关联

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/enums/DataTypeEnum.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.enums;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import top.charles7c.cnadmin.common.base.BaseEnum;
+
+/**
+ * 数据类型枚举
+ *
+ * @author Charles7c
+ * @since 2023/3/19 12:17
+ */
+@Getter
+@RequiredArgsConstructor
+public enum DataTypeEnum implements BaseEnum<Integer, String> {
+
+    /** 系统内置 */
+    SYSTEM(1, "系统内置"),
+
+    /** 自定义 */
+    CUSTOM(2, "自定义"),;
+
+    private final Integer value;
+    private final String description;
+}