manage Microsoft logs by NLog (#4080)

* now Microsoft log (Microsoft.*) are correctly supported by Nlog

* Microsoft log are now not logged under level info if tracing is not enabled.

* remove unused prefix NLog.

* Revert "Microsoft log are now not logged under level info if tracing is not enabled."

This reverts commit 00e94204e0.

* microsoft logs in console are preserved.
Only service log is clean of microsoft logs when tracing is not enabled.

* change loglevel min to debug

* Microsoft logs can be reactivate when Enhanced logging is set to true.

* adjust min & max level of serviceMicrosoftRule

* clean Microsoft logs in all NLog targets

src/Jackett.Server/Program.cs

@@ -7,6 +7,7 @@ using Jackett.Common.Utils;
 using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using NLog;
 using NLog.Web;
 using System;
@@ -184,6 +185,11 @@ namespace Jackett.Server
                 .PreferHostingUrls(true)
                 .UseConfiguration(Configuration)
                 .UseStartup<Startup>()
+                .ConfigureLogging(logging =>
+                {
+                    logging.ClearProviders();
+                    logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
+                })
                 .UseNLog();
     }
 }