Posts not prepending to channel
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### Summary
Posts not prepending to channel when made from Composer
### Steps to reproduce
Make a post from composer when on channel - you need to refresh
### Platform information
Firefox / Ubuntu
### What is the current *bug* behavior?
Post doesn't appear
### What is the expected *correct* behavior?
The post should appear, possibly below pinned posts?
### Relevant logs and/or screenshots
(Paste any relevant logs - please use code blocks (```) to format console output,
logs, and code as it's very hard to read otherwise.)
### Possible fixes
(If you can, link to the line of code that might be responsible for the problem)
issue