After opening a saved HELM file, microstructure F1 turns into Base (Mod0)

[Zhirnoff]

Summary
After opening a saved HELM file, microstructure F1 turns into Base (Mod0)

Steps to Reproduce

1. Open file in Macro Unable.to.save.micro-molecule.connected.to.CHEM.to.HELM.zip
2. Save as HELM
3. Open saved file

Expected behavior
The structures look the same as before saving.

Actual behavior
After opening a saved HELM file, microstructure F1 turns into Base (Mod0)

Saved HELM file ketcher (2).zip

Desktop:

• OS: Windows 11
• Browser Chrome
• Version 128.0.6613.120 (Official Build) (64-bit)

Ketcher version
[Version 2.25.0-rc.1]
Indigo version
[Version 1.24.0-rc.1]

Additional context
Bug found during testing:
epam/Indigo#2189
epam/Indigo#2073

[AliaksandrDziarkach]

This monomer has class CHEM:

        "class": "CHEM",
        "id": "Mod0",
        "fullName": "Mod0",
        "alias": "Mod0",
        "attachmentPoints": [

[Zhirnoff]

But this is a Benzene ring with added attachment points. And if we switch to macro mode, the microstructures should are displayed as a square with the abbreviation F1.

[AliaksandrDziarkach]

Correct - it should be displayed as a sqiare as other chems, but it displayed as base.
It is ketcher issue.

[Zhirnoff]

@AliaksandrDziarkach And name on it should be F1 but we have Mod0

[Zhirnoff]

Tested. The bug has been fixed only for visual display of the microstructure as CHEM instead of Base, but instead of F1, the name Mod0 is displayed on the structure. A separate bug has been created for this on the Indigo side epam/Indigo#2387
FYI @rrodionov91

Desktop:

• OS: Windows 11
• Browser Chrome
• Version 128.0.6613.120 (Official Build) (64-bit)

Ketcher version
[Version 2.25.0-rc.2]
Indigo version
[Version 1.24.0-rc.2]