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/Migrations/ManagingDbContextModelSnapshot.cs

@@ -318,6 +318,9 @@ namespace Managing.Infrastructure.Databases.Migrations
                     b.Property<int>("LongPositionCount")
                         .HasColumnType("integer");
 
+                    b.Property<int?>("MasterBotUserId")
+                        .HasColumnType("integer");
+
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(255)