Adding hydrogens doesn't work for ordinary bonds wrapped to Multipal group type S-Group
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- C++
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Description
**Ketcher version** [e.g. v2.4.2].
- Indigo Toolkit Version 1.18.0-dev.4.0-g085ab345f-x86_64-linux-gnu-11.2.1
- Ketcher Version 2.17.0-rc.2 Build at 2024-01-03; 17:17:22
- Chrome Version 120.0.6099.225 (Official Build) (64-bit)
- Win10
- Issue found while testing https://github.com/epam/Indigo/issues/1436
**Describe the bug**
Adding hydrogens doesn't work for ordinary bonds wrapped to Multipal group type S-Group
**Steps to Reproduce**
1. Load from file: [Adding hydrogens doesn't work for ordinary bonds wrapped to Multipal group type S-Group.zip](https://github.com/epam/Indigo/files/14077300/Adding.hydrogens.doesn.t.work.for.ordinary.bonds.wrapped.to.Multipal.group.type.S-Group.zip) (unzip first)
3. Press Add/Remove explicit hydrogens button
**Actual behavior**
System throws exception: IndigoException: molecule: The group is already collapsed or invalid
[uat.test.lifescience.opensource.epam.com-1706466744453.log](https://github.com/epam/Indigo/files/14077301/uat.test.lifescience.opensource.epam.com-1706466744453.log)
**Expected behavior**
No exception happens
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