Allow polls with one option

[Freeplayg]

Summary

Purpose

1. funny
2. may be useful in some situations actually? one example would be to see how many may be attending something or have seen the post, where an extra option isn't needed

[Insert5StarName]

very very very important feature 🤣

[Mar0xy]

no as this will freak out every other software and isn't really needed as normally even events will ask "attending", "maybe attending" or "not attending".