HELM loader ignores range token

[AlexeyGirin]

Steps to Reproduce

1. Go to Macromolecules mode - Flex mode
2. Load using paste from clipboard IDT type: RNA1{[Sm5moe]([m2nprn])[mepo2]'3-7'}$$$$V2.0

Actual behavior Loads RNA (but without range)

Expected behavior System throws exception: Convert error! Given string could not be loaded as (query or plain) molecule or reaction, see the error messages: 'SEQUENCE loader: Repeating do not supported now.'

Versions

• Ketcher Version 2.23.0-rc.1 Build at 2024-07-02; 08:57:41
• Indigo Toolkit Version 1.22.0-rc.1.0-g2bef0ce6c-wasm32-wasm-clang-19.0.0
• Windows 10 Pro
• Chrome Version 126.0.6478.127 (Official Build) (64-bit)

Issue found while testing - https://github.com/epam/Indigo/issues/1188

[AliaksandrDziarkach]

This is duplicate of #2062