Add missing space when merging label classes (#4695)
Add missing space when merging label classes (#4695)


ossinkine/SonataAdminBundle,osavchenko/SonataAdminBundle,ossinkine/SonataAdminBundle,jordisala1991/SonataAdminBundle,osavchenko/SonataAdminBundle,mweimerskirch/SonataAdminBundle,ossinkine/SonataAdminBundle,OskarStark/SonataAdminBundle,ARTACK/SonataAdminBundle,jordisala1991/SonataAdminBundle,mweimerskirch/SonataAdminBundle,dmarkowicz/SonataAdminBundle,greg0ire/SonataAdminBundle,osavchenko/SonataAdminBundle,greg0ire/SonataAdminBundle,dmarkowicz/SonataAdminBundle,sonata-project/SonataAdminBundle,mweimerskirch/SonataAdminBundle,jordisala1991/SonataAdminBundle,sonata-project/SonataAdminBundle,Soullivaneuh/SonataAdminBundle,OskarStark/SonataAdminBundle,Soullivaneuh/SonataAdminBundle,peter-gribanov/SonataAdminBundle,OskarStark/SonataAdminBundle,OskarStark/SonataAdminBundle,greg0ire/SonataAdminBundle,Soullivaneuh/SonataAdminBundle,dmarkowicz/SonataAdminBundle,ARTACK/SonataAdminBundle,peter-gribanov/SonataAdminBundle,dmarkowicz/SonataAdminBundle,Armstrong1992/SonataAdminBundle,dmarkowicz/SonataAdminBundle,jordisala1991/SonataAdminBundle,osavchenko/SonataAdminBundle,greg0ire/SonataAdminBundle,peter-gribanov/SonataAdminBundle,osavchenko/SonataAdminBundle,ARTACK/SonataAdminBundle,ossinkine/SonataAdminBundle,mweimerskirch/SonataAdminBundle,Soullivaneuh/SonataAdminBundle,Armstrong1992/SonataAdminBundle,peter-gribanov/SonataAdminBundle,ARTACK/SonataAdminBundle