feature: updated the directory tree to select the nearest parent path…

… if the folder has not yet been populated in the tree.

Source/Windows/TeensyRom.Ui/src/TeensyRom.Ui/Controls/DirectoryTree/DirectoryNodeViewModel.cs

@@ -24,6 +24,12 @@ public void SelectDirectory(string directoryPath)
 
             IsSelected = normalizedCurrentPath.Equals(normalizedTargetPath);
 
+            if(Directories.Count == 0 && normalizedTargetPath.Contains(normalizedCurrentPath))
+            {
+                IsSelected = true;
+                return;
+            }
+
             foreach (var directory in Directories)
             {
                 directory.SelectDirectory(directoryPath);