Parallel publishing and SitecoreSidekick togeher

[Antonytm]

Steps to reproduce:

1. Enable Sitecore.Publishing.Parallel.config
2. Run publish of website with publish type: Republish

Actual result: Bunch of errors in a log

Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.
Source: Sidekick.AuditLog
   at Sidekick.AuditLog.Model.ItemAuditEntry..ctor(String eventId, String label, String color, Item item) in C:\source\SitecoreSidekick\ScsAuditLog\Model\ItemAuditEntry.cs:line 54
   at Sidekick.AuditLog.Core.LuceneAuditLog.Log(Item item, String eventId, String color, String label, String note) in C:\source\SitecoreSidekick\ScsAuditLog\Core\LuceneAuditLog.cs:line 142

Expected result: No exception in logs