Add empty property to ListBase and InfiniteListBase

[Madeorsk]

Problem

There's no empty property to ListBase and InfiniteListBase to show something when the list is empty. We currently need to use WithListContext to do so.

Solution

Add empty prop to ListBase and InfiniteListBase.

TODO

• Add documentation

How To Test

• ListBase
• InfiniteListBase

Additional Checks

• The PR targets master for a bugfix or a documentation fix, or next for a feature
• The PR includes unit tests (if not possible, describe why)
• The PR includes one or several stories (if not possible, describe why)
• The documentation is up to date