Shlomi Fish authored Apr 18, 2020 and Nate Graham committed Apr 18, 2020

Summary:
Move from the searchbox to the search results listbox/view using the
down arrow key in addition to the existing methods using the tab key,
return key, or the mouse.

Test Plan:
use ctrl+f to search in a directory tree, press down arrow key
to go to the results

Reviewers: ngraham, #dolphin

Reviewed By: ngraham, #dolphin

Subscribers: meven, elvisangelaccio, ngraham, iasensio, kfm-devel

Tags: #dolphin

Differential Revision: https://phabricator.kde.org/D26362