Clean up status bar
On the overview page, all it does is show "No files" and "Aborting scan" which amount to useless visual noise. Refactor to no longer show any status messages there, and then only show the footer on the map page where it can show anything meaningful.
Also, port it to use QQC.ToolBar, which is the correct UI element to use for this, instead of assembling something by hand.
Edited by Nate Graham