Do not parse sticker pack when removing from ban

Also added try-catch strategy when printing banned packs

modules/ChatManagement/Handler/BanStickerSet.Handler.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using BotFramework.Attributes;
 using BotFramework.Enums;
@@ -43,9 +44,9 @@ public partial class BanStickerSet
     }
 
     [ParametrizedCommand(InChat.Public, "stick_unban", CommandParseMode.Both)]
-    public async Task HandleUnBanSticker(StickerSet.Param stickerSet)
+    public async Task HandleUnBanSticker(string stickerSet)
     {
-        if (!await PreCommand(stickerSet))
+        if (!await PreCommand())
         {
             return;
         }
@@ -57,13 +58,16 @@ public partial class BanStickerSet
             return;
         }
 
-        var setName = stickerSet.Set.Name;
+        if (!list.Exists(e => e == stickerSet))
+        {
+            return;
+        }
 
-        list.Remove(setName);
+        list.Remove(stickerSet);
         option.SetValue(list);
         Db.AddOrUpdate(option);
 
-        await Reply(FormatStickerSetAction(stickerSet.Set, "разблокирован"));
+        await Reply(FormatStickerSetAction(stickerSet, "разблокирован"));
     }
 
     [Command(InChat.Public, "stick_banlist", CommandParseMode.Both)]
@@ -82,10 +86,18 @@ public partial class BanStickerSet
             var htmlString = new HtmlString().Bold("Заблокированные наборы стикеров:").Br();
             for (var i = 0; i < list.Count; i++)
             {
-                var stickerSet = await Bot.GetStickerSetAsync(list[i]);
-                htmlString.Text($"{i + 1}. ")
-                    .Url("https://t.me/addstickers/" + stickerSet.Name, stickerSet.Title)
-                    .Br();
+                try
+                {
+                    var stickerSet = await Bot.GetStickerSetAsync(list[i]);
+                    htmlString.Text($"{i + 1}. ")
+                        .Url("https://t.me/addstickers/" + stickerSet.Name, stickerSet.Title)
+                        .Br();
+                }
+                catch (Exception)
+                {
+                    // Suppress error.
+                    // Maybe remove pack from ban, but this exception can be just a timeout or Internal Server Error.
+                }
             }
 
             msg = htmlString.ToString();