Fix products ls default output

Author: sshaw

cmd/products/products.go

@@ -71,10 +71,15 @@ func printFormatted(products []shopify.Product, fieldsToPrint []string) {
 s := reflect.ValueOf(&product).Elem()
 
 for i := 0; i < s.NumField(); i++ {
-field := normalizeField(s.Type().Field(i).Name)
-
-if isFieldToPrint(field, normalizedFieldsToPrint) {
-t.AddLine(s.Type().Field(i).Name, s.Field(i).Interface())
+field := s.Type().Field(i).Name
+normalizedField := normalizeField(field)
+
+if len(fieldsToPrint) > 0 {
+if isFieldToPrint(normalizedField, normalizedFieldsToPrint) {
+t.AddLine(field, s.Field(i).Interface())
+}
+} else {
+t.AddLine(field, s.Field(i).Interface())
 }
 }