Reaction Auto-Mapping Tool doesn't work for single and cascade reactions with Multi-Tailed Arrow

**Steps to Reproduce 1 - Single Reaction**
1. Add single reaction 2x1 to Canvas from KET:
[ket-2x1.zip](https://github.com/user-attachments/files/17380830/ket-2x1.zip)
2. Click on the Reaction Mapping Tool and use Auto-Mapping Tool

**Actual behavior**
- Auto-Mapping Tool is disabled

**Expected behavior**
- It has to be enabled and work with Multi-Tailed arrow as in case when reaction with plus on Canvas:

**Steps to Reproduce 2 - Cascade Reaction** - additional issue can be created if it's not possible to fix them together
1. Add cascade reaction 2-1-1 to Canvas from KET:
[ket-2-1-1 (1).zip](https://github.com/user-attachments/files/17380975/ket-2-1-1.1.zip)
2. Click on the Reaction Mapping Tool and use Auto-Mapping Tool
3. Select any option (Discard, Keep, Alter)

**Actual behavior**
- Error "array: invalid index 1 (size=0)" appears:

**Expected behavior**
- Error doesn't appear, it should work as for several single reactions: 2:1 and 1:1

**Environment details:**
- RC SA env
- [Version 2.26.0-rc.2] Build at 2024-10-14; 19:59:03
- Indigo Version 1.25.0-rc.2.0-g867ae250b-wasm32-wasm-clang-19.0.0
- Desktop, Windows 11 Enterprise
- Chrome Version 129.0.6668.101 (Official Build) (64-bit)

**Additional context**
- **This test case is added to xls and have to be automated**
- Issue is detected during retesting of https://github.com/epam/Indigo/issues/2422, it's related to this task - https://github.com/epam/Indigo/issues/2236