!184 修复office转换加密文档 PDF不生成密码问题

Merge pull request !184 from 高雄/pdf

server/src/main/java/cn/keking/service/OfficeToPdfService.java

@@ -50,7 +50,7 @@ public class OfficeToPdfService {
         if(ConfigConstants.getOfficeExportNotes()){
             filterData.put("ExportNotes", true); //批注作为PDF的注释
         }
-        if(!ConfigConstants.getOfficeDocumentOpenPasswords()){
+        if(ConfigConstants.getOfficeDocumentOpenPasswords()){
             filterData.put("DocumentOpenPassword", fileAttribute.getFilePassword()); //给PDF添加密码
         }
         Map<String, Object> customProperties = new HashMap<>();