User a linkbutton element adjecent to the overview to control
the expanded / shrunken state.
The button will show dynamically based on the
detected content size.
Adds a onClick action that toggles expanding the item detail
Overview. By default it crops the text to 12 lines on mobile, 6
on larger viewports.
-webkit-line-clamp is supported on all Webkit browsers and Firefox
as of 3/2020. A fallback with max-height is provided as well.
Fixes#888