UI Cypress integration test on Sidebar is flaky

[gdemonet]

Component: ui, tests

What happened: The sidebar tests (for expanding/collapsing) sometimes fail.

What was expected: They should always succeed.

Steps to reproduce: N/A

Resolution proposal (optional): TBD (maybe wait longer before clicking?)

[gdemonet]

Here's an example of such a failure:

sidebar.spec.js.mp4