Impossible to save Phenylalanine from Library to CDX/base64 CDX/ CDXML formats

**Steps to Reproduce**
1. Use Indigo library (Bingo cartridge). Describe environment
2. Open Ket file with Bonds >> Add to Canvas
3. Or open Phenylalanine mustard from Library
4. Save >> select CDX (or base64 CDX/ CDXML )

**Expected behavior**
We should be able to save and open saved in the Ketcher CDX file in the ChemDraw and all structures should be visible as well as saved.

**Actual behavior**
Impossible to save Phenylalanine from Library to CDX/base64 CDX/ CDXML formats.
Kindly see pictures and wrong CDX file and Ket file in the attachment files.

https://github.com/epam/Indigo/issues/1775
https://github.com/epam/Indigo/issues/1776

**Attachments**
[Phenylalanine mustard KET.zip](https://github.com/epam/Indigo/files/14537762/Phenylalanine.mustard.KET.zip)

**Environment details:**
• OS: Windows 10 Pro (version 22H2) x64
• Browser: Сhrome
• Version: (122.0.6261.95) x64
- Ketcher version 2.19.0 – rc.1
- Indigo Toolkit
- Version 1.18.0-rc.6.0-g98bf384e0-x86_64-linux-gnu-11.2.1