fix: read Static and disable quality when a system setting withholds the scene

tests/unit/SceneCanvas.test.ts

@@ -390,6 +390,25 @@ describe("DriveControls", () => {
     expect(select.element.value).toBe("static");
     wrapper.unmount();
   });
+
+  it.each(["system-reduce", "data-saver"] as const)(
+    "disables the quality choice and reads Static under %s",
+    async (reason) => {
+      const wrapper = mount(DriveControls, {
+        props: {
+          policy: policy({ reason, allowSceneRequest: false, allowAutomaticVideo: false, maximumTier: "static" }),
+          maximumQuality: "high",
+          sceneStatus: "idle",
+          audioState: { kind: "idle" },
+        },
+      });
+      await wrapper.get('[aria-label="Drive settings"]').trigger("click");
+      const select = wrapper.get<HTMLSelectElement>('[aria-label="Quality control"]');
+      expect(select.element.disabled).toBe(true);
+      expect(select.element.value).toBe("static");
+      wrapper.unmount();
+    },
+  );
 });
 
 describe("JourneyHud", () => {