Do not show fallback chocolatey path if the fallback path does not exist

Author: marticliment

src/UniGetUI.PackageEngine.Managers.Chocolatey/Chocolatey.cs

@@ -295,6 +295,7 @@ protected override ManagerStatus LoadManager()
             else
             {
                 status.ExecutablePath = Path.Join(CoreData.UniGetUIDataDirectory, "Chocolatey", "choco.exe");
+                if (!File.Exists(status.ExecutablePath)) status.ExecutablePath = "";
             }
 
             status.Found = File.Exists(status.ExecutablePath);