User column sorting broken in Safari

[scottrus]

Describe the bug
In the User Management screen, trying to sort users does not work in Safari 14.0.1

To Reproduce
Steps to reproduce the behavior:

1. Log in to Ombi as an ADMIN user
2. Click on User Management
3. Click on Last Login column header
4. The sort indicator changes but the list does not sort (error)

Expected behavior
Cols are expected to sort in User Management

Screenshots
N/A

Logs (Logs directory where Ombi is located)
Web Console shows error of TypeError: undefined is not an object (evaluating 'this.dataSource.sort=this.sort')

Desktop (please complete the following information):

• OS: Big Sur 11.0.1

Ombi Version (please complete the following information):

• Version 4.0.739.0
• Media Server Plex
• Database Type: SQLite

Additional context
N/A

[ombi-bot]

Hi!
Thanks for the issue report. Before a real human comes by, please make sure you used our bug report format.
Have you looked at the wiki yet? https://github.com/tidusjar/ombi/wiki/
Before posting make sure you also read our FAQ.
Make the title describe your issue. Having 'not working' or 'I get this bug' for 100 issues, isn't really helpful.
If we need more information or there is some progress we tag the issue or update the tag and keep you updated.
Thanks!
Ombi Bot.

[scottrus]

Also confirmed the same issue in Firefox 83.0 (64-bit) on Big Sur