Exception on startup

[HEIC-to-JPEG-Dev]

Steps to reproduce:

1. Created a new WinUI 3 project using "Blank App, Packaged with Windows Application Packaging Project (WinUI 3 in Desktop)"
2. Compiled and run the project
3. Opened MainWindow.xaml
4. Toggled WinUI3XamlPreview - error in statusbar of VS

System.ComponentModel.Win32Exception (0x80004005): The system cannot find the file specified
at System.Diagnostics.Process.StartWithShellExecuteEx(ProcessStartInfo startInfo)
at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
at WinUI3XamlPreviewVS2022.ToggleLivePreview.d__16.MoveNext()
System.ComponentModel.Win32Exception (0x80004005): The system cannot find the file specified
at System.Diagnostics.Process.StartWithShellExecuteEx(ProcessStartInfo startInfo)
at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
at WinUI3XamlPreviewVS2022.ToggleLivePreview.d__16.MoveNext()
System.ComponentModel.Win32Exception (0x80004005): The system cannot find the file specified
at System.Diagnostics.Process.StartWithShellExecuteEx(ProcessStartInfo startInfo)
at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
at WinUI3XamlPreviewVS2022.ToggleLivePreview.d__16.MoveNext()
System.ComponentModel.Win32Exception (0x80004005): The system cannot find the file specified
at System.Diagnostics.Process.StartWithShellExecuteEx(ProcessStartInfo startInfo)
at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
at WinUI3XamlPreviewVS2022.ToggleLivePreview.d__16.MoveNext()