Report granted permissions in the user-joined message

MREUnityRuntime/MREUnityRuntimeLib/Core/Permissions.cs

@@ -43,7 +43,7 @@ public static IEnumerable<Permissions> ToEnumerable(this Permissions flags)
 			var aggregate = new List<Permissions>(allPerms.Length);
 			foreach (Permissions perm in allPerms)
 			{
-				if (flags.HasFlag(perm))
+				if ((flags & perm) != 0)
 				{
 					aggregate.Add(perm);
 				}

MREUnityRuntime/MREUnityRuntimeLib/Patching/Types/UserPatch.cs

@@ -1,13 +1,15 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 using MixedRealityExtension.Animation;
+using MixedRealityExtension.API;
 using MixedRealityExtension.Core;
 using MixedRealityExtension.Core.Types;
 using MixedRealityExtension.Messaging.Payloads.Converters;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace MixedRealityExtension.Patching.Types
 {
@@ -22,6 +24,9 @@ public class UserPatch : Patchable<UserPatch>
 		[JsonConverter(typeof(UnsignedConverter))]
 		public UInt32? Groups { get; set; }
 
+		[PatchProperty]
+		public Permissions[] GrantedPermissions { get; set; }
+
 		public Dictionary<string, string> Properties { get; set; }
 
 		public UserPatch()
@@ -38,6 +43,8 @@ internal UserPatch(User user)
 		{
 			Name = user.Name;
 			Groups = user.Groups;
+			// the server doesn't need to care about the execution permission, it's assumed if you're connected
+			GrantedPermissions = user.App.GrantedPermissions.ToEnumerable().Where(p => p != Permissions.Execution).ToArray();
 			Properties = user.UserInfo.Properties;
 		}
 	}