fix: bug in the sliders and blog module

src/modules/users/providers/users.service.ts

@@ -243,8 +243,11 @@ export class UsersService {
     const existUser = await queryRunner.manager.findOneBy(User, { nationalCode: registerDto.nationalCode });
     if (existUser) throw new BadRequestException(UserMessage.NATIONAL_CODE_EXIST);
 
+    const userName = slugify(`${registerDto.firstName} ${Date.now().toString().slice(-5)}`, { lower: true, trim: true });
+
     const user = queryRunner.manager.create(User, {
       ...registerDto,
+      userName,
       password: hashedPassword,
       roles: [role],
     });