qt5ct tweaks: use xdg filepicker in qt, animations in menus

modules/theme/default.nix

@@ -32,11 +32,25 @@
         [Appearance]
         style=Breeze
         icon_theme=breeze-dark
+        standard_dialogs=xdgdesktopportal
 
         # Cantata misbehaves without color overrides. This overrides the breeze colors with the
         # exact same colors.
         color_scheme_path=${./breeze-dark-colors-override.conf}
         custom_palette=true
+
+        [Interface]
+        buttonbox_layout=0
+        cursor_flash_time=1000
+        dialog_buttons_have_icons=2
+        double_click_interval=400
+        gui_effects=General, AnimateMenu, AnimateCombo
+        keyboard_scheme=2
+        menus_have_icons=true
+        show_shortcuts_in_context_menus=true
+        toolbutton_style=4
+        underline_shortcut=1
+        wheel_scroll_lines=3
       '';
     };