fix import ordering

Author: GabrielDuf

src/UniGetUI.Avalonia/Views/SoftwarePages/AbstractPackagesPage.axaml.cs

@@ -1,9 +1,9 @@
 using Avalonia;
 using Avalonia.Controls;
-using Avalonia.Threading;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Input;
 using Avalonia.Input.Platform;
+using Avalonia.Threading;
 using UniGetUI.Avalonia.ViewModels.Pages;
 using UniGetUI.Avalonia.Views.Controls;
 using UniGetUI.Core.Tools;