Project select for new membership overflows with long project names.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11511 e93f8b46-1217-0410-a6f0-8f06a7374b81
Test failures (#13309).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11512 e93f8b46-1217-0410-a6f0-8f06a7374b81