If the deadQueue was full, we would be incorrectly sending the wrong index for dqPtr. Fixed that and added a test case. https://mattermost.atlassian.net/browse/MM-63304 ```release-note NONE ```
If the deadQueue was full, we would be incorrectly sending the wrong index for dqPtr. Fixed that and added a test case. https://mattermost.atlassian.net/browse/MM-63304 ```release-note NONE ```