Improve project panel image previews

editor/src/Core/AssetItem.h

@@ -12,10 +12,13 @@ struct AssetItem {
     std::string type;
     bool isFolder;
     std::string fullPath;
+    std::string extensionLower;
+    bool isImageAsset = false;
+    bool canUseImagePreview = false;
     std::vector<std::shared_ptr<AssetItem>> children;
 };
 
 using AssetItemPtr = std::shared_ptr<AssetItem>;
 
 }
-}
+}