Refactor RecActionView command invocation, remove extension

Removed the ToInvokeCommand extension method and now construct InvokeRecActionViewCommand instances directly in the batch handler. Also added an unused using directive in InvokeBatchRecActionViewsCommand.cs.

src/ReC.Application/RecActions/Commands/InvokeBatchRecActionViewsCommand.cs

@@ -1,4 +1,5 @@
-using MediatR;
+using DigitalData.Core.Abstractions.Interfaces;
+using MediatR;
 using ReC.Application.RecActions.Queries;
 using ReC.Domain.Constants;
 
@@ -23,7 +24,7 @@ public class InvokeRecActionViewsCommandHandler(ISender sender) : IRequestHandle
 
         foreach (var action in actions)
         {
-            var ok = await sender.Send(action.ToInvokeCommand(), cancel);
+            var ok = await sender.Send(new InvokeRecActionViewCommand() { Action = action }, cancel);
             if (!ok)
                 switch (action.ErrorAction)
                 {