dspace_plugin : fix content_types return if context is not cms controller
dspace_plugin : fix content_types return if context is not cms controller

evandrojr/noosferogov,evandrojr/noosferogov,evandrojr/noosferogov,evandrojr/noosferogov,evandrojr/noosferogov,evandrojr/noosferogov,evandrojr/noosferogov