fix: update campaign test/production

Signed-off-by: Ronni Skansing <rskansing@gmail.com>

backend/service/campaign.go

@@ -1252,6 +1252,9 @@ func (c *Campaign) UpdateByID(
 	if v, err := incoming.IsAnonymous.Get(); err == nil {
 		current.IsAnonymous.Set(v)
 	}
+	if v, err := incoming.IsTest.Get(); err == nil {
+		current.IsTest.Set(v)
+	}
 	if v, err := incoming.SortField.Get(); err == nil {
 		current.SortField.Set(v)
 	}