mattermod: 2 comments are created for automerge

Description

There's an unrelated behavior, which I am willing to call a bug. Sometimes, when automerge is set, I see mattermod making 2 comments: https://github.com/mattermost/mattermost-server/pull/14970#issuecomment-656088946. Although I haven't taken a look at the code to see why.

Issue created from a message in Mattermost.

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Ibrahim Acikgoz

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Reporter

Agniva De Sarker

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Sprint

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