Allow focusing the main view for the status panel

I left this out originally because it's not needed for the status "dashboard"
view (except on really tiny screens); however, it *is* useful after pressing `a`
to show the all branches log, and even more so for people who use the
"statusPanelView: allBranchesLog" config. And it doesn't really hurt for the
dashboard view either, so just enable it always rather than making a distinction
which view we are showing.

pkg/gui/controllers.go

@@ -260,6 +260,7 @@ func (gui *Gui) resetHelpersAndControllers() {
 	}
 
 	for _, context := range []types.Context{
+		gui.State.Contexts.Status,
 		gui.State.Contexts.Files,
 		gui.State.Contexts.Branches,
 		gui.State.Contexts.RemoteBranches,