private void Issues_Click(object sender, RoutedEventArgs e)
{
UserMenu_Window userMenu = new UserMenu_Window(arr);
this.Close();
userMenu.Show();
}
// Navigates back to UserMenuPage (main menu), preserving login-based user data
private void MainMenubutton_Click(object sender, RoutedEventArgs e)
{
UserMenu_Window userM = new UserMenu_Window(arr);
userM.Show();
this.Close();
}