FIX: profile page is not loading (#19351)

When looking as an anonymous user at a profile page of another user (who has user status with an ending date) the profile page wasn't loading.

Reported in https://meta.discourse.org/t/profile-page-not-loading/247928.

app/assets/javascripts/discourse/app/components/user-status-message.js

@@ -12,10 +12,10 @@ export default class UserStatusMessage extends Component {
       return null;
     }
 
-    return until(
-      this.status.ends_at,
-      this.currentUser.user_option.timezone,
-      this.currentUser.locale
-    );
+    const timezone = this.currentUser
+      ? this.currentUser.timezone
+      : moment.tz.guess();
+
+    return until(this.status.ends_at, timezone, this.currentUser?.locale);
   }
 }

app/assets/javascripts/discourse/tests/integration/components/user-status-message-test.js

@@ -141,4 +141,17 @@ module("Integration | Component | user-status-message", function (hooks) {
       document.querySelector("[data-tippy-root] .user-status-message-tooltip")
     );
   });
+
+  test("doesn't blow up with an anonymous user", async function (assert) {
+    this.owner.unregister("service:current-user");
+    this.set("status", {
+      emoji: "tooth",
+      description: "off to dentist",
+      ends_at: "2100-02-02T12:30:00.000Z",
+    });
+
+    await render(hbs`<UserStatusMessage @status={{this.status}} />`);
+
+    assert.dom(".user-status-message").exists();
+  });
 });