fix(web): fix UP card layout and fan delta semantics

tests/test_web_server.py

@@ -89,6 +89,10 @@ def test_readonly_routes_and_static():
             items = json.loads(payload)["data"]["items"]
             assert items and items[0]["aid"] == 102
 
+            status, _, payload = running.request("/api/ups")
+            assert status == 200
+            assert json.loads(payload)["data"]["sort"] == "avg_views"
+
             status, headers, payload = running.request("/api/videos", method="HEAD")
             assert status == 200 and payload == b""
             assert "Content-Length" in headers