Use constructor injection for updater

Author: Jack251970

Flow.Launcher.Core/Updater.cs

@@ -23,10 +23,15 @@ namespace Flow.Launcher.Core
 {
     public class Updater
     {
-        private readonly IPublicAPI API = Ioc.Default.GetRequiredService<IPublicAPI>();
+        private readonly IPublicAPI API;
 
         public string GitHubRepository { get; set; }
 
+        public Updater(IPublicAPI publicAPI)
+        {
+            API = publicAPI;
+        }
+
         public void Initialize(string gitHubRepository)
         {
             GitHubRepository = gitHubRepository;

Flow.Launcher/App.xaml.cs

@@ -45,7 +45,7 @@ public App()
                 .UseContentRoot(AppContext.BaseDirectory)
                 .ConfigureServices(services => services
                     .AddSingleton(_ => _settings)
-                    .AddSingleton<Updater>()
+                    .AddSingleton(sp => new Updater(sp.GetRequiredService<IPublicAPI>()))
                     .AddSingleton<Portable>()
                     .AddSingleton<SettingWindowViewModel>()
                     .AddSingleton<IAlphabet, PinyinAlphabet>()