* FEATURE: Staff only poll results
These changes allow only staff to see the results of a poll.
Non-staff users will be shown a screen like this:
1b8bd76013.png
The "Votes are public" message has been removed from the info section,
and the button to show the votes has been replaced with a message
stating the results will only be shown to staff.
* Update PR based on feedback
* Update plugins/poll/app/models/poll.rb
make sure we return a boolean
Co-Authored-By: Régis Hanol <regis@hanol.fr>
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.
Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
