[Add to favorites] The workshop does not appear in the favorites tab after the user clicks the add to favorites button.

[Shliakhtych]

Environment: Windows 10, 64-bit, Google Chrome 114.0.5735.199,
Windows 10, 64-bit, Microsoft Edge 114.0.1823.67.

Reproducible: always.

Preconditions

1. Go to https://oos.dmytrominochkin.cloud/#/
2. Sign in as a parent.

Steps to reproduce

1. Find a workshop that you need to add to your favorites.
2. Click on the "Add to favorites" button.
3. Go to the "Favorite" page and check if the workshop has appeared.

Actual result
The workshop does not appear on the "Favorites" page.

Expected result
After adding a workshop to favorites, the workshop is displayed on the "Favorites" page.

User story and test case links
[Add to favorites #208] #208

Labels to be added
"Bug", Priority ("pri: medium"), Severity ("severity: medium"), Type ("Functional").