Merge date and unread messages banners when appropriate

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#736 opened on Dec 4, 2019 1 comment 1 reaction 0 assignees View on GitHub

A-Unread banner Z-date time

Description

To avoid avoid two separators like this

![image](https://user-images.githubusercontent.com/3940906/70137049-6c378880-168d-11ea-8417-2e8455d8737f.png)

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