Add empty state when there are no collection items

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.4.13 DXP GA1, 7.4.3.4 CE GA4, Master
• Component/s: Out of the box Fragments > Collection Display Fragment
• Labels: None
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/5847

We are going to add a small empty state message when there are no collection items, which may happen after filtering a collection display (empty state with no animation and no button):

https://clayui.com/docs/components/empty-state.html

We will revisit this empty state in the future if needed and see if we can make it configurable, etc., but that will happen in a different epic/story (cc Maria Arce Carolina Rodriguez).