fix(项目管理): 修复存储库文件更新时没有获取到最新commit的缺陷

--bug=1035308 --user=宋天阳 【用例管理】-用例关联文件，文件详情页关联用例列表中，用例关联的文件版本显示错误 https://www.tapd.cn/55049933/s/1460285

backend/framework/sdk/src/main/java/io/metersphere/sdk/util/GitRepositoryUtil.java

@@ -140,11 +140,10 @@ public class GitRepositoryUtil {
 
     private String getFileLastCommitId(ObjectId objectId, String filePath) throws Exception {
         Iterable<RevCommit> logs = git.log().add(objectId).addPath(filePath).call();
-        String returnStr = StringUtils.EMPTY;
         for (RevCommit rev : logs) {
-            returnStr = rev.getName();
+            return rev.getName();
         }
-        return returnStr;
+        return null;
     }
 
     private RevCommit getRevTreeByRepositoryAndCommitId(InMemoryRepository repo, ObjectId fileCommitId) throws Exception {

backend/services/project-management/src/main/java/io/metersphere/project/service/FileMetadataService.java

@@ -532,13 +532,16 @@ public class FileMetadataService {
     private void setFileVersionIsOld(FileMetadata oldFile, String operator) {
         //删除旧的预览文件
         TempFileUtils.deleteTmpFile(oldFile.getId());
-        //更新文件版本分支
+        //通过refId批量更新
+        FileMetadataExample example = new FileMetadataExample();
+        example.createCriteria().andRefIdEqualTo(oldFile.getRefId()).andLatestEqualTo(true);
+
         FileMetadata updateModel = new FileMetadata();
-        updateModel.setId(oldFile.getId());
         updateModel.setLatest(false);
         updateModel.setUpdateTime(System.currentTimeMillis());
         updateModel.setUpdateUser(operator);
-        fileMetadataMapper.updateByPrimaryKeySelective(updateModel);
+
+        fileMetadataMapper.updateByExampleSelective(updateModel, example);
     }
 
     private void genNewFileVersionByOldFile(FileMetadata oldFile, FileMetadata fileMetadata, String operator) {
@@ -620,6 +623,7 @@ public class FileMetadataService {
         //获取fileMetadata以及可能存在的fileMetadataRepository
         FileMetadataExample example = new FileMetadataExample();
         example.createCriteria().andRefIdEqualTo(fileMetadata.getRefId());
+        example.setOrderByClause(" create_time DESC ");
         List<FileMetadata> fileMetadataList = fileMetadataMapper.selectByExample(example);
         List<String> fileIdList = fileMetadataList.stream().map(FileMetadata::getId).toList();
         FileMetadataRepositoryExample repositoryExample = new FileMetadataRepositoryExample();