ApplicationViewModel - remove unused usings
MODIFY
WalletWasabi.Fluent/ViewModels/ApplicationViewModel.cs
WalletWasabi.Fluent/ViewModels/ApplicationViewModel.cs
using System.Reactive.Concurrency;
using System.Reactive.Linq;
-using System.Runtime.InteropServices;
-using System.Threading.Tasks;
using System.Windows.Input;
-using Avalonia;
using Avalonia.Controls;
-using Avalonia.Controls.ApplicationLifetimes;
using ReactiveUI;
using WalletWasabi.Fluent.Helpers;
using WalletWasabi.Fluent.Providers;

ApplicationViewModel - remove unused usings