* update eslint's `comma-dangle` rule to `always-multiline`
* add check and fix scripts to package.json
* Invoke `yarn fix` to adopt the updated eslint rules. No other changes are included.
* Dispatch retry failed action | fix refreshing state | change postVisibility to 15
* Improve channel switching
* Improve handling of visible tooltip
* Improve watching for status bar height changes
* Remove unnecessary mapStateToProps from code screen
* Use drawer native functions to open/close instead of state
* Feedback review
