Few attachment point for molecule causes wrong warning if we trying to save molecule to Mol/SDF/... formats (almost all)

[AlexeyGirin]

Steps to Reproduce

1. Load from file: Few attachment point for molecule causes wrong warning if we trying to save molecule to Mol.zip
   OR manually create following configuration on the canvas:
   
2. Press Save button
3. Go to Warnings tab

Actual behavior
Warning tab contains message: Structure contains stereocenters with undefined stereo configuration: (1,2)

Expected behavior
No warning tab since no reasons for warning

Versions:

• Indigo Toolkit Version 1.21.0-rc.1.0-g9194599b2-wasm32-wasm-clang-19.0.0
• Ketcher Version 2.22.0-rc.2 Build at 2024-06-03; 18:43:00
• Chrome Version 125.0.6422.142 (Official Build) (64-bit)
• Windows 10

Issue found while testing #4530