[Related events and personas block/Desktop] Verify that a user can switch cards with navigation arrows

**Priority:**
High

**Preconditions**

1. The "StreetCode page" is opened.
2. At least 4 related events have been added.

**Steps to reproduce**

1. Go to the "Зв'язки історії" block.
2. Click on one of the navigation arrows (e.g. right).

**Expected result**
The cards moved one to the right.

**User story:**
#40

**Test**
#70