Merge pull request #2701 from dataease/pr@dev@perf_user_create_trim

perf(系统管理): 新增用户时自动过滤账号开头结尾空字符串

backend/src/main/java/io/dataease/service/sys/SysUserService.java

@@ -73,6 +73,7 @@ public class SysUserService {
 
     @Transactional
     public int save(SysUserCreateRequest request) {
+        request.setUsername(request.getUsername().trim());
         checkUsername(request);
         checkEmail(request);
         checkNickName(request);