Have users have upload permissions. Make sure upload tab only shows up then.

src/ui/LoginInterface.cpp

@@ -131,6 +131,7 @@ void LoginInterface::createUser(Wt::Dbo::Session* session, std::string username,
     user->isAdmin = isAdmin;
     user->username = username;
     user->isDisabled = false;
+    user->canUpload = true;
     user->passwordSalt = Wt::WRandom::generateId();
     user->passwordHash = hasher.compute(rawPassword, user->passwordSalt);
     user->loginCookieToken = Wt::WRandom::generateId();