[#1210] adm: Fix error handling when contract not found

Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>

cmd/frostfs-adm/internal/modules/morph/contract/deploy.go

@@ -79,7 +79,7 @@ func deployContractCmd(cmd *cobra.Command, args []string) error {
 	}
 
 	r := management.NewReader(c.ReadOnlyInvoker)
-	nnsCs, err := r.GetContractByID(1)
+	nnsCs, err := helper.GetContractByID(r, 1)
 	if err != nil {
 		return fmt.Errorf("can't fetch NNS contract state: %w", err)
 	}