refactor(private-zone): use canonical product name

src/data/constants/__tests__/character.test.ts

@@ -71,7 +71,7 @@ describe("local character catalog", () => {
     expect(snapshot.catalog.getById("maya-tan")).toMatchObject({
       displayName: "Maya Backend",
       assets: { avatar: "/images/avatar/maya.png" },
-      capabilities: { chat: true, privateZoom: false, tip: true },
+      capabilities: { chat: true, privateZone: false, tip: true },
     });
     expect(snapshot.defaultCharacter.id).toBe("elio");
   });
@@ -101,7 +101,7 @@ describe("local character catalog", () => {
     for (const character of CHARACTERS) {
       expect(character.capabilities).toEqual({
         chat: true,
-        privateZoom: true,
+        privateZone: true,
         tip: true,
       });
       expect(character.tagline.length).toBeGreaterThan(0);