Scripts/Commands: Minor improvements in .pinfo and .unban character commands

Port From (https://github.com/TrinityCore/TrinityCore/commit/7d01ad8b8f7d20769058c642e690847aa51196c6)

Source/Game/Chat/Commands/BanCommands.cs

@@ -619,6 +619,7 @@ namespace Game.Chat.Commands
                 return false;
             }
 
+            handler.SendSysMessage(CypherStrings.UnbanUnbanned, name);
             return true;
         }
 

Source/Game/Chat/Commands/MiscCommands.cs

@@ -1622,10 +1622,13 @@ namespace Game.Chat
                 stmt.AddValue(0, lowguid);
                 result2 = DB.Characters.Query(stmt);
             }
+            else
+                banType = handler->GetTrinityString(LANG_ACCOUNT);
 
             if (!result2.IsEmpty())
             {
-                banTime = (result2.Read<ulong>(1) != 0 ? 0 : result2.Read<uint>(0));
+                bool permanent = result2.Read<ulong>(1) != 0;
+                banTime = !permanent ? result2.Read<uint>(0) : 0;
                 bannedBy = result2.Read<string>(2);
                 banReason = result2.Read<string>(3);
             }