Fix file path check for songTitleLogo.png in generator

Correct the file path in GenerateSongTitleLogoInternal method to
properly check for the existence of songTitleLogo.png within the
menu art folder. The original code was incorrectly checking the
directory path instead of the specific file.

JustDanceEditor.Converter/Converters/Bundles/SongTitleLogoBundleGenerator.cs

@@ -34,10 +34,9 @@ public static void GenerateSongTitleLogo(ConvertUbiArtToUnity convert)
     static void GenerateSongTitleLogoInternal(ConvertUbiArtToUnity convert)
     {
         // Does the following exist?
-        //string logoPath = Path.Combine(convert.InputMenuArtFolder, "songTitleLogo.png");
         FileSystem fs = convert.FileSystem;
 
-        if (fs.GetFilePath(Path.Combine(fs.InputFolders.MenuArtFolder), out CookedFile? logoPath) || logoPath == null)
+        if (fs.GetFilePath(Path.Combine(fs.InputFolders.MenuArtFolder, "songTitleLogo.png"), out CookedFile? logoPath) || logoPath == null)
         {
             //Console.WriteLine("No songTitleLogo.png found, skipping...");
             Logger.Log("No songTitleLogo.png found, skipping...", LogLevel.Important);