Add MasterBotUserId and MasterAgentName for copy trading support

- Introduced MasterBotUserId and MasterAgentName properties to facilitate copy trading functionality.
- Updated relevant models, controllers, and database entities to accommodate these new properties.
- Enhanced validation logic in StartCopyTradingCommandHandler to ensure proper ownership checks for master strategies.

src/Managing.Infrastructure.Database/PostgreSql/PostgreSqlMappers.cs

@@ -753,7 +753,8 @@ public static class PostgreSqlMappers
             Volume = entity.Volume,
             Fees = entity.Fees,
             LongPositionCount = entity.LongPositionCount,
-            ShortPositionCount = entity.ShortPositionCount
+            ShortPositionCount = entity.ShortPositionCount,
+            MasterBotUserId = entity.MasterBotUserId
         };
 
         return bot;
@@ -784,6 +785,7 @@ public static class PostgreSqlMappers
             Fees = bot.Fees,
             LongPositionCount = bot.LongPositionCount,
             ShortPositionCount = bot.ShortPositionCount,
+            MasterBotUserId = bot.MasterBotUserId,
             UpdatedAt = DateTime.UtcNow
         };
     }