refactor: Address review feedback

- Remove deprecated supergfx integration
- Ensure DBus is used instead of direct calls (verified)
- Clean up unused imports and modules

rog-control-center/ui/types/aura_types.slint

@@ -179,6 +179,8 @@ export global AuraPageData {
         @tr("Animation mode" => "None"),
         @tr("Animation mode" => "Rainbow"),
         @tr("Animation mode" => "Color Cycle"),
+        @tr("Animation mode" => "Breathe"),
+        @tr("Animation mode" => "Pulse"),
     ];
     in-out property <int> soft_animation_mode: 0;
     in-out property <float> soft_animation_speed: 200; // ms between updates