DUI3-173: adds send and receive cancellation on document switch (#3499)

* adds send and receive cancellation on document switch

* op in progress cancellation event with global toast notification

* Update AutocadSendBinding.cs

* disables document activation during send and receive operation

* removes todo

* reverts send to run on main thread

DUI3-DX/Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadReceiveBinding.cs

@@ -51,6 +51,11 @@ public async Task Receive(string modelCardId)
       // Init cancellation token source -> Manager also cancel it if exist before
       CancellationTokenSource cts = _cancellationManager.InitCancellationTokenSource(modelCardId);
 
+      // Disable document activation (document creation and document switch)
+      // Not disabling results in DUI model card being out of sync with the active document
+      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
+      Application.DocumentManager.DocumentActivationEnabled = false;
+
       // Receive host objects
       var operationResults = await unitOfWork.Service
         .Execute(
@@ -72,6 +77,11 @@ public async Task Receive(string modelCardId)
       // SWALLOW -> UI handles it immediately, so we do not need to handle anything
       return;
     }
+    finally
+    {
+      // renable document activation
+      Application.DocumentManager.DocumentActivationEnabled = true;
+    }
   }
 
   private void OnSendOperationProgress(string modelCardId, string status, double? progress)

DUI3-DX/Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadSendBinding.cs

@@ -130,6 +130,11 @@ private async Task SendInternal(string modelCardId)
       // Init cancellation token source -> Manager also cancel it if exist before
       CancellationTokenSource cts = _cancellationManager.InitCancellationTokenSource(modelCardId);
 
+      // Disable document activation (document creation and document switch)
+      // Not disabling results in DUI model card being out of sync with the active document
+      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
+      Application.DocumentManager.DocumentActivationEnabled = false;
+
       // Get elements to convert
       List<AutocadRootObject> autocadObjects = Application.DocumentManager.CurrentDocument.GetObjects(
         modelCard.SendFilter.NotNull().GetObjectIds()
@@ -169,6 +174,11 @@ private async Task SendInternal(string modelCardId)
     {
       Commands.SetModelError(modelCardId, e);
     }
+    finally
+    {
+      // renable document activation
+      Application.DocumentManager.DocumentActivationEnabled = true;
+    }
   }
 
   private void OnSendOperationProgress(string modelCardId, string status, double? progress)