Fix excess requests leading to queueing / delays of updating metadata at song select

[peppy]

Closes #34848

Can test with:

diff --git a/osu.Game/Screens/SelectV2/SongSelect.cs b/osu.Game/Screens/SelectV2/SongSelect.cs
index a97f0fbca0..334da8dd35 100644
--- a/osu.Game/Screens/SelectV2/SongSelect.cs
+++ b/osu.Game/Screens/SelectV2/SongSelect.cs
@@ -65,7 +65,7 @@ public abstract partial class SongSelect : ScreenWithBeatmapBackground, IKeyBind
     {
         // this is intentionally slightly higher than key repeat, but low enough to not impede user experience.
         // this avoids rapid churn loading when iterating the carousel using keyboard.
-        public const int SELECTION_DEBOUNCE = 100;
+        public const int SELECTION_DEBOUNCE = 0;
 
         private const float logo_scale = 0.4f;
         private const double fade_duration = 300;