Long text in chapter description break the width in mobile

[joshuaavalon]

For Bug Reports

• BookStack Version (Found in settings, Please don't put 'latest'): Demo
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• MySQL Version:

Expected Behavior

Display like normal.

Current Behavior

Long text like URL will create a white space on the right

Steps to Reproduce

Use long text at the start of a chapter.

[Abijeet]

Hey @ssddanbrown, I'll take a crack at this.

[ssddanbrown]

@Abijeet I'm going to take this on since I'm looking to get v0.20 out today.