Added null check for `damageInfo.Weapon.Name` in `DogtagPatch::UpdateDogtagItemWithDeathDetails` because it can be null in rare cases. I see this happen when Zryachiy or his followers kill a bot, and I'm not sure why. This will prevent an exception from being thrown and the bot becoming "broken".
Reviewed-on: SPT/Modules#154
Co-authored-by: dwesterwick <dwesterwick@yahoo.com>
Co-committed-by: dwesterwick <dwesterwick@yahoo.com>