[FIX] socialnetworks: Allow the initially set username to be left in the first login form as it is the user that has just been created so not a duplicate
[FIX] socialnetworks: Allow the initially set username to be left in the first login form as it is the user that has just been created so not a duplicate

git-svn-id: fe65cb8b726aa1bab0c239f321eb4f822d15ce08@50807 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,changi67/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,tikiorg/tiki,changi67/tiki,oregional/tiki,changi67/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,oregional/tiki