Auto-update - Don't check for updates until after core init finished

Tray - Attempt to more reliably hide icon on application close
Auto-run - Implemented dropping of permissions

src/Artemis.Core/Services/Interfaces/ICoreService.cs

@@ -26,7 +26,7 @@ namespace Artemis.Core.Services
         /// <summary>
         ///     Gets or sets a list of startup arguments
         /// </summary>
-        List<string>? StartupArguments { get; set; }
+        List<string> StartupArguments { get; set; }
 
         /// <summary>
         ///     Gets a boolean indicating whether Artemis is running in an elevated environment (admin permissions)

src/Artemis.Core/Services/Interfaces/IPluginManagementService.cs

@@ -26,7 +26,7 @@ namespace Artemis.Core.Services
         /// <summary>
         ///     Loads all installed plugins. If plugins already loaded this will reload them all
         /// </summary>
-        void LoadPlugins(bool ignorePluginLock, bool isElevated);
+        void LoadPlugins(bool ignorePluginLock, bool stayElevated, bool isElevated);
 
         /// <summary>
         ///     Unloads all installed plugins.