slack invitation is expired in the dashboard

### Description of the issue
I just register and click on the contact button from the dashboard sidebar
It redirected me to a slack channel but saw the link is no longer active

### Your environment
* Version of huly - v0.6.325
* Browser (and version) - Arc
* Your operating system (and version) - Mac OS - Sonoma

### Steps to reproduce
- In the dashboard, Click on the `?` icon left side

### Expected behaviour
Working invite link to slack

### Actual behaviour
Tell us what happens instead (include screenshots or logs).

### Possible solutions
(Not obligatory)
If you know how to fix the bug, please describe your solution here.

Start by reproducing the dashboard sidebar `?` action in Huly v0.6.325 and trace the Slack invitation destination. Verify the invite link's configuration or source, then confirm that the dashboard opens a working Slack invite.

Written by the indexing model from the issue text.