System loads HELM even it it has wrong connection section (PEPTIDE1{[DACys]}|PEPTIDE2{C}$PEPTIDE1,PEPTIDE2,1:R1-1:R2$$$V2.0)

[AlexeyGirin]

Steps to Reproduce

1. Toggle to Macro - Flex mode
2. Load HELM using paste from clipboard way: PEPTIDE1{[DACys]}|PEPTIDE2{C}$PEPTIDE1,PEPTIDE2,1:R1-1:R2$$$V2.0
   

Actual behavior
System loads monomer

Expected behavior
System throws exception that connection point doesn't exist: Convert error! Given string could not be loaded as (query or plain) molecule or reaction, see the error messages: 'Ket Base Monomer: Unknown attachment point 'R1' in monomer DACys'

Versions

• Ketcher Version 2.25.0-rc.1 Build at 2024-09-03; 15:31:03
• Indigo Toolkit Version 1.24.0-rc.1.0-gb8f099851-wasm32-wasm-clang-19.0.0
• Chrome Version 128.0.6613.114 (Official Build) (64-bit)
• Win10

Reference issues: #1188

[AliaksandrDziarkach]

Already fixed

[AlexeyGirin]

Verified.

• Ketcher Version 3.20.0-rc.1 Build at 2024-12-31; 12:50:08
• Indigo Toolkit Version 1.28.0-rc.1.0-gc167e6266-wasm32-wasm-clang-19.0.0
• Chrome Version Version 131.0.6778.205 (Official Build) (64-bit)
• Win10