Hide Contraint Message input under advanced properties if it doesn't have a value (Case:48477)
Hide Contraint Message input under advanced properties if it doesn't have a value (Case:48477)

mwhite/Vellum,johnhbenetech/Vellum,johnhbenetech/Vellum,johnhbenetech/Vellum,mwhite/Vellum,johnhbenetech/Vellum,esoergel/Vellum