Preview: Unable to save mix of unresolved nucleotides and nucleotides to Sequence (and FASTA)

[AlexeyGirin]

Steps to Reproduce

1. Go to Macromolecules mode - Flex mode
2. Open from file: Unable to save mix of unresolved nucleotides and nucleotides to sequence.zip OR create manually the following canvas:
3. Save canvas to Sequence format file (or FASTA)

Actual behavior System throws an exception: Convert error! Error during sequence type recognition(RNA, DNA or Peptide) Sequence: FASTA:

Expected behavior Since unresolved nucleotide is nucleotide - it should be recognized as DNA

Versions

• Ketcher Version 2.22.0-rc.2 Build at 2024-06-28; 05:30:15
• Indigo Toolkit Version 1.22.0-dev.2.1-gd5637f75-wasm32-wasm-clang-12.0.0
• Windows 10 Pro
• Chrome Version 126.0.6478.127 (Official Build) (64-bit)

Issue found while testing - https://github.com/epam/ketcher/issues/4382

[AnnaKosol]

Issue is still reproduced Sequence: FASTA: Versions: Ketcher Version 2.23.0-rc.2 Build at 2024-07-10; 19:39:22 Indigo Version 1.22.0-rc.2.0-ga21fb5d8f-wasm32-wasm-clang-19.0.0 Chrome Версия 126.0.6478.127 (Официальная сборка), (arm64) MacOs Sonoma 14.5

[AlexeyGirin]

Fixed.

• Ketcher Version 2.23.0-rc.2 Build at 2024-07-10; 19:39:22
• Indigo Toolkit Version 1.22.0-rc.2.0-ga21fb5d8f-wasm32-wasm-clang-19.0.0
• Windows 10 Pro
• Chrome Version 126.0.6478.127 (Official Build) (64-bit)