Fix closing an empty EditorWindow, even if that shouldn't happen
Fix closing an empty EditorWindow, even if that shouldn't happen

jbaayen/reinteract,jbaayen/reinteract,rschroll/reinteract,alexey4petrov/reinteract,johnrizzo1/reinteract,alexey4petrov/reinteract,rschroll/reinteract,jbaayen/reinteract,alexey4petrov/reinteract,johnrizzo1/reinteract,rschroll/reinteract,johnrizzo1/reinteract