Merge branch 'master' into authenticationdb-efcore

# Conflicts:
#	Emby.Server.Implementations/Devices/DeviceManager.cs
#	Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
#	Emby.Server.Implementations/Security/AuthenticationRepository.cs
#	Emby.Server.Implementations/Session/SessionManager.cs
#	Jellyfin.Server.Implementations/Security/AuthorizationContext.cs
#	MediaBrowser.Controller/Library/IUserManager.cs
#	MediaBrowser.Controller/Net/ISessionContext.cs

MediaBrowser.Controller/Net/BasePeriodicWebSocketListener.cs

@@ -270,13 +270,4 @@ namespace MediaBrowser.Controller.Net
             GC.SuppressFinalize(this);
         }
     }
-
-    public class WebSocketListenerState
-    {
-        public DateTime DateLastSendUtc { get; set; }
-
-        public long InitialDelayMs { get; set; }
-
-        public long IntervalMs { get; set; }
-    }
 }

MediaBrowser.Controller/Net/ISessionContext.cs

@@ -11,10 +11,10 @@ namespace MediaBrowser.Controller.Net
     {
         Task<SessionInfo> GetSession(object requestContext);
 
-        Task<User> GetUser(object requestContext);
+        Task<User?> GetUser(object requestContext);
 
         Task<SessionInfo> GetSession(HttpContext requestContext);
 
-        Task<User> GetUser(HttpContext requestContext);
+        Task<User?> GetUser(HttpContext requestContext);
     }
 }

MediaBrowser.Controller/Net/IWebSocketConnection.cs

@@ -1,9 +1,5 @@
-#nullable disable
-
 #pragma warning disable CS1591
 
-#nullable enable
-
 using System;
 using System.Net;
 using System.Net.WebSockets;
@@ -60,11 +56,11 @@ namespace MediaBrowser.Controller.Net
         /// <summary>
         /// Sends a message asynchronously.
         /// </summary>
-        /// <typeparam name="T"></typeparam>
+        /// <typeparam name="T">The type of websocket message data.</typeparam>
         /// <param name="message">The message.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
-        /// <exception cref="ArgumentNullException">message</exception>
+        /// <exception cref="ArgumentNullException">The message is null.</exception>
         Task SendAsync<T>(WebSocketMessage<T> message, CancellationToken cancellationToken);
 
         Task ProcessAsync(CancellationToken cancellationToken = default);

MediaBrowser.Controller/Net/WebSocketListenerState.cs

@@ -0,0 +1,17 @@
+#nullable disable
+
+#pragma warning disable CS1591
+
+using System;
+
+namespace MediaBrowser.Controller.Net
+{
+    public class WebSocketListenerState
+    {
+        public DateTime DateLastSendUtc { get; set; }
+
+        public long InitialDelayMs { get; set; }
+
+        public long IntervalMs { get; set; }
+    }
+}