Focus the Team Monitor list view when the window shows.

This allows immediate use of the arrow keys to navigate the list.

Fixes ticket #8564.

src/add-ons/input_server/devices/keyboard/TeamMonitorWindow.cpp

@@ -416,6 +416,8 @@ TeamMonitorWindow::UpdateList()
 	}
 
 	fRestartButton->SetEnabled(!desktopRunning);
+
+	fListView->MakeFocus();
 }