Receive monomer library from Ketcher upon import/export IDT notation

[olganaz]

Background Indigo should receive monomer library from Ketcher to be able to look for IDT aliases of monomers.

Solution A clear and concise description of what you want to happen.

Alternatives A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

[AlexeyGirin]

Verified.

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