Set system-preferences as icon

data/ladi-control-center.desktop.in

@@ -4,6 +4,6 @@ Type=Application
 _Comment=Configure the LADI system
 Terminal=false
 Exec=ladi-control-center
-Icon=ladi-control-center
+Icon=preferences-system
 Categories=GNOME;GTK;Settings;
 _GenericName=LADI configuration

ladi-control-center

@@ -627,6 +627,8 @@ def show_panels(*args, **kwargs):
         return None
     mods = kwargs['modules']
     window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
+    window.set_title("LADI Settings")
+    window.set_icon_name('preferences-system')
     window.set_resizable(True)
     notebook = Gtk.Notebook()
     notebook.set_tab_pos(Gtk.PositionType.LEFT)