Fix create command always using imageRepositoryType

Signed-off-by: Matheus Pimenta <matheuscscp@gmail.com>

cmd/flux/create.go

@@ -125,7 +125,7 @@ func (names apiType) upsertAndWait(object upsertWaitable, mutate func() error) e
 	logger.Generatef("generating %s", names.kind)
 	logger.Actionf("applying %s", names.kind)
 
-	namespacedName, err := imageRepositoryType.upsert(ctx, kubeClient, object, mutate)
+	namespacedName, err := names.upsert(ctx, kubeClient, object, mutate)
 	if err != nil {
 		return err
 	}

cmd/flux/testdata/image/create_image_policy.golden

@@ -1,5 +1,5 @@
 ✚ generating ImagePolicy
 ► applying ImagePolicy
-✔ ImageRepository created
+✔ ImagePolicy created
 ◎ waiting for ImagePolicy reconciliation
 ✔ ImagePolicy reconciliation completed