Add shortcuts for focusing edge PanelArea
We need to have something simpler for navigating to panel edges (start, end, grid, bottom) since we won't be able to rely on things like ctrl+tab for that (nor were they every that obvious to begin with).
We need to have something simpler for navigating to panel edges (start, end, grid, bottom) since we won't be able to rely on things like ctrl+tab for that (nor were they every that obvious to begin with).