Add Debug GC Collect and clear image cache commands

StabilityMatrix.Avalonia/FallbackRamCachedWebImageLoader.cs

@@ -103,4 +103,13 @@ public class FallbackRamCachedWebImageLoader : RamCachedWebImageLoader
             }
         }
     }
+
+    public void ClearCache()
+    {
+        var cache =
+            this.GetPrivateField<ConcurrentDictionary<string, Task<Bitmap?>>>("_memoryCache")
+            ?? throw new NullReferenceException("Memory cache not found");
+
+        cache.Clear();
+    }
 }

StabilityMatrix.Avalonia/ViewModels/Settings/MainSettingsViewModel.cs

@@ -14,6 +14,7 @@ using System.Text;
 using System.Text.Json;
 using System.Threading.Tasks;
 using AsyncAwaitBestPractices;
+using AsyncImageLoader;
 using Avalonia;
 using Avalonia.Controls.Notifications;
 using Avalonia.Controls.Primitives;
@@ -774,7 +775,9 @@ public partial class MainSettingsViewModel : PageViewModelBase
         [
             new CommandItem(DebugFindLocalModelFromIndexCommand),
             new CommandItem(DebugExtractDmgCommand),
-            new CommandItem(DebugShowNativeNotificationCommand)
+            new CommandItem(DebugShowNativeNotificationCommand),
+            new CommandItem(DebugClearImageCacheCommand),
+            new CommandItem(DebugGCCollectCommand)
         ];
 
     [RelayCommand]
@@ -889,6 +892,21 @@ public partial class MainSettingsViewModel : PageViewModelBase
         );
     }
 
+    [RelayCommand]
+    private void DebugClearImageCache()
+    {
+        if (ImageLoader.AsyncImageLoader is FallbackRamCachedWebImageLoader loader)
+        {
+            loader.ClearCache();
+        }
+    }
+
+    [RelayCommand]
+    private void DebugGCCollect()
+    {
+        GC.Collect();
+    }
+
     #endregion
 
     #region Info Section