fix: only exclude zones with DELETED status from the list

Filtering zones on only the ACTIVE status, causes the list of zones to change.
Especially the PENDING status is used by Designate during reconciliation processes.

Fixes: #33

Author: frittentheke

internal/designate/provider/provider.go

@@ -94,7 +94,7 @@ func (p designateProvider) getZones(ctx context.Context) (map[string]string, err
 
 	err := p.client.ForEachZone(ctx,
 		func(zone *zones.Zone) error {
-			if zone.Type != "" && strings.ToUpper(zone.Type) != "PRIMARY" || zone.Status != "ACTIVE" {
+			if zone.Type != "" && strings.ToUpper(zone.Type) != "PRIMARY" || zone.Status == "DELETE" {
 				return nil
 			}