[BUG] Thumbnail preview is HUGE when title is too long without whitespace

[FourLineCode]

Is there an existing issue for this?

• I have searched the existing issues

This issue exists in the latest nightly version

• I am using the latest nightly version

What browsers are you seeing the problem on?

Chrome

Current Behavior

As you can see, shroud has a very long title and his thumbnail preview takes up the whole screen.

Expected Behavior

Show a regular sized thumbnail preview even when title is long. Just enable break-words css property.

Steps To Reproduce

Create a stream with long title and hover over it in the sidebar

[dcmclarke]

Hey, opened a PR for this #1229