**Feature description** Currently users may only post in their own blogs, we should allow them to post into any group they're part of <sub>[F-654](https://linear.app/fountaindotink/issue/F-654/feat-allow-posting-in-groups-for-the-memebers)</sub>
Feature description
Currently users may only post in their own blogs, we should allow them to post into any group they're part of
F-654