Missing Attached S-Groups on image when copying structure as picture

**Related issue**
epam/indigo#682

**Steps to Reproduce**
1. Launch ketcher
2. Load attached structure with Attached S-Groups on canvas
[ketcher_attaches.ket.zip](https://github.com/epam/ketcher/files/8176360/ketcher_attaches.ket.zip)
3. Select structure with Lasso tool
4. Launch "Copy as image" function (press hotkey or click on "Copy as image" button in "Copy..." dropdown)
5. Paste into MS Word
6. Check image

**Expected behavior**
Image is correct, structure on image has attaches:

**Actual behavior**
Image is incorrect, attaches except one are missing:

**User agent**
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)
AppleWebKit/537.36 (KHTML, like Gecko)
Chrome/98.0.4758.109
Safari/537.36

[ketcher_attaches.ket.zip](https://github.com/epam/ketcher/files/8176360/ketcher_attaches.ket.zip)