Disable a flaky frontend test

What does this MR do?

I haven't found a way to quarantine flaky frontend tests, so I chose to disable it instead.

Does this MR meet the acceptance criteria?

Conformity

• Code review guidelines
• Merge request performance guidelines
• Style guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers

Relates to #34861 (closed).