【fix】【背景】首页，背景列表添加文件A，安全列表添加文件B，应用背景的文件应当是文件A，而非安全列表的文件B

PDF Office/PDF Master/Class/PDFTools/Watermark/Controller/KMBatchOperateAddWatermarkViewController.swift

@@ -878,6 +878,17 @@ extension KMBatchOperateAddWatermarkViewController {
     }
     
     @objc private func _batchFilesCountNotification(_ notification: NSNotification) {
+        let files: Array? = notification.object as? [KMBatchOperateFile]
+        if let data = files?.first {
+            if data.currentOperateType != self.operateType {
+                return
+            }
+        }
+        let viewC = notification.userInfo?[kObjectKey] as? NSViewController
+        if let data = self.view.window?.isEqual(to: viewC?.view.window), data == false {
+            return
+        }
+        
         if (!self.onlyManagerTemplate) {
             let files: Array? = notification.object as? [KMBatchOperateFile]
             self.files? = files ?? []