Add SqlConnection navigation property to RecAction

Introduced a new `SqlConnection` property in the `RecAction` class, marked with the `[ForeignKey("SqlConnectionId")]` attribute. This establishes a foreign key relationship with the `SqlConnectionId` property, enabling ORM navigation between `RecAction` and the `Connection` entity.

src/ReC.Domain/Entities/RecAction.cs

@@ -40,6 +40,9 @@ public class RecAction
     [Column("SQL_CONNECTION_ID")]
     public short? SqlConnectionId { get; set; }
 
+    [ForeignKey("SqlConnectionId")]
+    public Connection? SqlConnection { get; set; }
+
     [Column("TYPE")]
     public string? Type { get; set; }