includes deadmined admins in adminsystem playerlist updates

Content.Server/Administration/AdminSystem.cs

@@ -76,12 +76,12 @@ namespace Content.Server.Administration
 
             if(args == null) return;
 
-            foreach (var admin in _adminManager.ActiveAdmins)
+            foreach (var admin in _adminManager.AllAdmins)
             {
                 RaiseNetworkEvent(args, admin.ConnectedClient);
             }
 
-            if (e.NewStatus != SessionStatus.Disconnected && _adminManager.IsAdmin(e.Session))
+            if (e.NewStatus != SessionStatus.Disconnected && _adminManager.IsAdmin(e.Session, true))
             {
                 SendFullPlayerList(e.Session);
             }

Content.Server/Administration/Managers/AdminManager.cs

@@ -44,6 +44,8 @@ namespace Content.Server.Administration.Managers
             .Where(p => p.Value.Data.Active)
             .Select(p => p.Key);
 
+        public IEnumerable<IPlayerSession> AllAdmins => _admins.Select(p => p.Key);
+
         // If a command isn't in this list it's server-console only.
         // if a command is in but the flags value is null it's available to everybody.
         private readonly HashSet<string> _anyCommands = new();

Content.Server/Administration/Managers/IAdminManager.cs

@@ -24,6 +24,11 @@ namespace Content.Server.Administration.Managers
         /// </remarks>
         IEnumerable<IPlayerSession> ActiveAdmins { get; }
 
+        /// <summary>
+        /// Gets all admins currently on the server, even de-adminned ones.
+        /// </summary>
+        IEnumerable<IPlayerSession> AllAdmins { get; }
+
         /// <summary>
         ///     Checks if a player is an admin.
         /// </summary>