Add template properties for Datadog (#6528)

* Add template properites for Datadog

* Add test and implementation for including User and ActingUser when only the Type is referenced

* Refactored database calls to fetch the user details in a single DB call

* Refactor to use a dedicated stored procedure for Dapper

* Remove TOP 1 from stored procedure

* Accept Claude's optimization of SingleOrDefaultAsync to unify Dapper/EF

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>

* Revert earlier change and add TOP 1 back into stored procedure

* Change go to GO

* Revert back to version that assumes uniqueness, remove TOP 1

---------

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>

src/Core/AdminConsole/Repositories/IOrganizationUserRepository.cs

@@ -97,4 +97,15 @@ public interface IOrganizationUserRepository : IRepository<OrganizationUser, Gui
     /// <param name="organizationUserToConfirm">Accepted OrganizationUser to confirm</param>
     /// <returns>True, if the user was updated. False, if not performed.</returns>
     Task<bool> ConfirmOrganizationUserAsync(AcceptedOrganizationUserToConfirm organizationUserToConfirm);
+
+    /// <summary>
+    /// Returns the OrganizationUserUserDetails if found.
+    /// </summary>
+    /// <param name="organizationId">The id of the organization</param>
+    /// <param name="userId">The id of the User to fetch</param>
+    /// <returns>OrganizationUserUserDetails of the specified user or null if not found</returns>
+    /// <remarks>
+    /// Similar to GetByOrganizationAsync, but returns the user details.
+    /// </remarks>
+    Task<OrganizationUserUserDetails?> GetDetailsByOrganizationIdUserIdAsync(Guid organizationId, Guid userId);
 }