LibGUI: Use BoxSampling to draw thumbnails

Author: https://github.com/LucasChollet
Commit: 66f52d6db9
Pull-request: https://github.com/SerenityOS/serenity/pull/22757
Reviewed-by: https://github.com/gmta ✅

Userland/Libraries/LibGUI/FileSystemModel.cpp

@@ -732,7 +732,7 @@ static ErrorOr<NonnullRefPtr<Gfx::Bitmap>> render_thumbnail(StringView path)
     auto destination = Gfx::IntRect(0, 0, (int)(bitmap->width() * scale), (int)(bitmap->height() * scale)).centered_within(thumbnail->rect());
 
     Painter painter(thumbnail);
-    painter.draw_scaled_bitmap(destination, *bitmap, bitmap->rect());
+    painter.draw_scaled_bitmap(destination, *bitmap, bitmap->rect(), 1.f, Painter::ScalingMode::BoxSampling);
     return thumbnail;
 }