Nomes de usuário têm súbitamente um 1 adicionado ao final

[sam (Sam Saffron)]

@JamesNorth

Disappointing to have to go through and fix it all (every user has their own group for this business forum), but hopefully this helps someone else with the same issue.

The alternative is far worse, if we did not protect it so there is a single namespace @mentioning groups would not work properly on lots of levels.