feat(adapter): 添加 items 属性 setter 的弃用警告

- 为 BaseQuickAdapter 的 items 属性添加了弃用注解
- 设置 items 直接赋值不再受支持
- 引导用户使用 submitList 方法替换适配器数据

Author: limuyang2

library/src/main/java/com/chad/library/adapter4/BaseQuickAdapter.kt

@@ -71,6 +71,11 @@ abstract class BaseQuickAdapter<T : Any, VH : RecyclerView.ViewHolder>(
         get() {
             return mDiffer?.currentList ?: _items
         }
+        @Deprecated(
+            message = "Setting items directly is not supported. Use submitList(list) to replace adapter data.",
+            replaceWith = ReplaceWith("submitList(value)"),
+            level = DeprecationLevel.ERROR,
+        )
         set(value) {
             if (mDiffer != null) {
                 mDiffer.submitList(value, null)