[#1738] neofs-adm: Clean tx hash list after awaiting

Do not query application log for the same transaction more than once.

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>

cmd/neofs-adm/internal/modules/morph/initialize.go

@@ -359,6 +359,7 @@ loop:
 		}
 	}
 
+	c.Hashes = c.Hashes[:0]
 	return retErr
 }