Make Admin AutoRun faster (2dust#9366)

* Set Admin AutoRun task priority to Normal rather than Below Normal

* Remove 30s delay for Admin AutoRun

Author: yfdyh000

v2rayN/ServiceLib/Handler/AutoStartupHandler.cs

@@ -111,7 +111,8 @@ public static void AutoStartTaskService(string taskName, string fileName, string
         task.Settings.RunOnlyIfIdle = false;
         task.Settings.IdleSettings.StopOnIdleEnd = false;
         task.Settings.ExecutionTimeLimit = TimeSpan.Zero;
-        task.Triggers.Add(new Microsoft.Win32.TaskScheduler.LogonTrigger { UserId = logonUser, Delay = TimeSpan.FromSeconds(30) });
+        task.Settings.Priority = ProcessPriorityClass.Normal;
+        task.Triggers.Add(new Microsoft.Win32.TaskScheduler.LogonTrigger { UserId = logonUser });
         task.Principal.RunLevel = Microsoft.Win32.TaskScheduler.TaskRunLevel.Highest;
         task.Actions.Add(new Microsoft.Win32.TaskScheduler.ExecAction(fileName.AppendQuotes(), null, Path.GetDirectoryName(fileName)));