Search Facets track View More and View Less clicks

[mcmcphillips]

User Story

Allow users to track events associated with the 'View X more' and 'View Less' buttons associated with the SearchFacets.

Acceptance Criteria

• The SearchFacets component can receives an additional conditional two props that will be function definitions: 'onMore' and 'onLess.
• The SearchFacets component passes these two props conditionally to the ShowMoreContainer.
• When the ShowMore button is clicked, if the prop for 'onMore' is supplied, invoke the 'onMore' function if the button text reads 'Show X More'
• When the ShowLess button is clicked, if the prop for 'onLess' is supplied, invoke the 'onLess' function if the button text reads 'Show Less'