Fix statistics update not being shown on results screen if it arrives too fast

[bdach]

As reported in https://discord.com/channels/188630481301012481/1097318920991559880/1288160137286258799.

Can be manually induced outside of tests using

diff --git a/osu.Game/Screens/Ranking/Statistics/UserStatisticsPanel.cs b/osu.Game/Screens/Ranking/Statistics/UserStatisticsPanel.cs
index 4e9c07ab7b..f0f1c6d049 100644
--- a/osu.Game/Screens/Ranking/Statistics/UserStatisticsPanel.cs
+++ b/osu.Game/Screens/Ranking/Statistics/UserStatisticsPanel.cs
@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
@@ -30,6 +31,8 @@ public UserStatisticsPanel(ScoreInfo achievedScore)
         [BackgroundDependencyLoader]
         private void load(UserStatisticsWatcher? userStatisticsWatcher)
         {
+            Thread.Sleep(10000);
+
             if (userStatisticsWatcher != null)
             {
                 latestGlobalStatisticsUpdate = userStatisticsWatcher.LatestUpdate.GetBoundCopy();