some folder metas may be missing isFolderAsset - add a fallback for those

Author: Brian MacIntosh

UnityProjectBrowser/Parsers/UnityMetaParser.cs

@@ -55,6 +55,15 @@ public override void ParseFile(string absolutePath)
 					YamlScalarNode folderAssetScalarNode = (YamlScalarNode)folderAssetNode;
 					isFolderAsset = folderAssetScalarNode.Value == "yes";
 				}
+				else
+				{
+					// seems folder assets may randomly not have a folderAsset value
+					// try to identify them by the absence of other data
+					if (rootNode.Children.Count == 2 && Directory.Exists(UnityFolder.GetFolderPathForMeta(absolutePath)))
+					{
+						isFolderAsset = true;
+					}
+				}
 
 				if (isFolderAsset)
 				{

UnityProjectBrowser/Structure/Unity/UnityFolder.cs

@@ -16,10 +16,18 @@ public string FolderPath
 			get
 			{
 				string filePath = GetFilePath();
-				return Path.Combine(Path.GetDirectoryName(filePath), Path.GetFileNameWithoutExtension(filePath));
+				return GetFolderPathForMeta(filePath);
 			}
 		}
 
+		/// <summary>
+		/// Returns the directory path for the specified folder meta.
+		/// </summary>
+		public static string GetFolderPathForMeta(string folderMeta)
+		{
+			return Path.Combine(Path.GetDirectoryName(folderMeta), Path.GetFileNameWithoutExtension(folderMeta));
+		}
+
 		/// <summary>
 		/// 
 		/// </summary>