Preview: User can save IDT with 5' phosphate but cannot open this file again.

[NadezhdaPeskun]

Steps to Reproduce

1. Switch to Macro
2. Open ket file
   ketcher (50).zip

3.Save to IDT format

4. Try to open this file
   ketcher (2).zip

Actual behavior
Cannot open IDT with /5Phos/, but can open with /3Phos/ ( rUrA*rUrA/3Phos/)

Expected behavior
User should be able to open from clipboard or from file the IDT with /5Phos/ as with /3Phos/,
for example /5Phos/rUrA*rUrA/3Phos/

Tasks:

• Macro: Introduce IDT alias for monomers and RNA presets in library and Ketcher model ketcher#4310
• Import of modified IDT monomers #1899
• Export of modified RNA to IDT notation (modified IDT monomers) #1900
• Import of standard IDT monomers #1588
• Export of RNA presets to IDT notation (standard IDT monomers) #1654

Versions:
Windows 11
Chrome Version Version 123.0.6312.106 (Official Build) (64-bit)

CI version:
Ketcher Version 2.22.0-rc.1 Build at 2024-04-15; 20:00:15
Indigo Toolkit Version 1.21.0-dev4

[AlexeyGirin]

Verified.

• 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