Allure displays date and time as unknown in summary overview page

**Describe the bug**

Allure report is displaying date and time as unknown when we generate allure from teamcity plugin 2.9.0 or manual generating from allure server.

**To Reproduce**
Steps to reproduce the behavior:
1. Run test manualy or from teamCity CI
2. Get a report
3. Open overview or history pages
4. We are can see that date and time displyed is wrong

**Expected behavior**
We will want see date and time on pages

**Screenshots**

**Environment (please complete the following information):**

| Allure version | 2.9.0 |
| --- | --- |
|language|Java|
| Test framework | selenide@5.1.0|
| Allure adaptor | allure-selenide@2.9.0 |
| Generate report using | allure@2.9.0|
| teamcity plugin | 2.9.0|
|junit|4.12|

This is a project
https://cloud.mail.ru/public/Cot5/nEVNNkaRn

This is a report
https://cloud.mail.ru/public/HcNe/Pa8vayDbx

No source file or test is named. Reproduce the report with the linked project or report, inspect the overview and history pages for the date/time display, and confirm that generated reports show the expected date and time instead of “unknown”.

Written by the indexing model from the issue text.