Fixed exporting flow results when steps don't have channels
Fixed exporting flow results when steps don't have channels

praekelt/rapidpro,praekelt/rapidpro,tsotetsi/textily-web,tsotetsi/textily-web,tsotetsi/textily-web,pulilab/rapidpro,ewheeler/rapidpro,pulilab/rapidpro,pulilab/rapidpro,ewheeler/rapidpro,pulilab/rapidpro,ewheeler/rapidpro,praekelt/rapidpro,tsotetsi/textily-web,praekelt/rapidpro,tsotetsi/textily-web,pulilab/rapidpro,reyrodrigues/EU-SMS,reyrodrigues/EU-SMS,reyrodrigues/EU-SMS,ewheeler/rapidpro