Do not return undefined from joinPostData
Do not return undefined from joinPostData

In some rare case joinPostData can not find post in store. It leads to "Cannot read property 'isHidden' of undefined" error in Feed component. Trying to log this case to Sentry and return fake object.
davidmz/freefeed-react-client,davidmz/freefeed-react-client,davidmz/freefeed-react-client,FreeFeed/freefeed-react-client,kadmil/freefeed-react-client,kadmil/freefeed-react-client,FreeFeed/freefeed-react-client,kadmil/freefeed-react-client,FreeFeed/freefeed-react-client