Reduce size of hero image

[tclayton33]

Usability testing, along with user conversations/anecdotal evidence) has revealed that users would prefer the hero image not take up so much screen real estate above the search box. Adjust (or replace) hero image so that it is shorter.

[tclayton33]

4/4/25 Work on this should wait - need larger discussion across products about branding, and this might need to be part of a project