fix(serenity-cucumber): Cucumber generator steps are correctly recognised and synced
fix(serenity-cucumber): Cucumber generator steps are correctly recognised and synced

jan-molak/serenity-js,InvictusMB/serenity-js,red6/serenity-js,InvictusMB/serenity-js,jan-molak/serenity-js,InvictusMB/serenity-js,red6/serenity-js,InvictusMB/serenity-js,jan-molak/serenity-js,jan-molak/serenity-js,red6/serenity-js,red6/serenity-js