[Web UI] File version list style changed

[hurradieweltgehtunter]

WHAT Needs to be Documented?

List of file versions list changed; Add screenshot in docs (ATM no screenshot included)

WHERE Does This Need To Be Documented (Link)?

https://doc.owncloud.com/webui/next/owncloud_web/web_for_users.html#versions

owncloud/web#8503

(Optional) What Type Of Content Change Is This?

• New Content Addition
• Old Content Deprecation
• Existing Content Simplification
• Bug Fix to Existing Content

(Optional) Which Manual Does This Relate To?

• Admin Manual
• Developer Manual
• User Manual
• Android
• iOS
• Branded Clients
• Desktop Client
• Other