[#1743] morph: Fix non-notary calls

Some methods add "IR" suffix to its names in notary enabled envs
because of contract logic. It was broken due to incorrect notary state
reading (tryNotary != notary is enabled).

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

CHANGELOG.md

@@ -12,6 +12,7 @@ Changelog for NeoFS Node
 ### Fixed
 - Panic on write-cache's `Delete` operation (#1664)
 - Payload duplication in `neofs-cli storagegroup put` (#1706)
+- Contract calls in notary disabled environments (#1743)
 
 ### Removed
 

pkg/morph/client/notary.go

@@ -116,6 +116,12 @@ func (c *Client) EnableNotarySupport(opts ...NotaryOption) error {
 	return nil
 }
 
+// IsNotaryEnabled returns true if EnableNotarySupport has been successfully
+// called before.
+func (c *Client) IsNotaryEnabled() bool {
+	return c.notary != nil
+}
+
 // ProbeNotary checks if native `Notary` contract is presented on chain.
 func (c *Client) ProbeNotary() (res bool) {
 	c.switchLock.RLock()

pkg/morph/client/static.go

@@ -34,7 +34,7 @@ type staticOpts struct {
 //
 // See also TryNotary.
 func (s *StaticClient) WithNotary() bool {
-	return s.tryNotary
+	return s.client.IsNotaryEnabled()
 }
 
 // IsAlpha returns Alphabet status of the client.