Pass largepayload flag into CommandSender in IM test app.

Use the session information from DeviceProxy to construct
CommandSender for large payload if session supports it.

Author: pidarped

src/app/tests/suites/commands/interaction_model/InteractionModel.h

@@ -251,8 +251,20 @@ class InteractionModelCommands
 
             chip::app::CommandPathParams commandPath = { endpointId, clusterId, commandId,
                                                          (chip::app::CommandPathFlags::kEndpointIdValid) };
-            auto commandSender                       = std::make_unique<chip::app::CommandSender>(
-                mCallback, device->GetExchangeManager(), mTimedInteractionTimeoutMs.HasValue(), mSuppressResponse.ValueOr(false));
+            std::unique_ptr<chip::app::CommandSender> commandSender;
+            if (device->GetSecureSession().Value()->AllowsLargePayload())
+            {
+                commandSender = std::make_unique<chip::app::CommandSender>(
+                    mCallback, device->GetExchangeManager(), mTimedInteractionTimeoutMs.HasValue(),
+                    mSuppressResponse.ValueOr(false), /* allowLargePayload = */ true);
+            }
+            else
+            {
+                commandSender = std::make_unique<chip::app::CommandSender>(
+                    mCallback, device->GetExchangeManager(),
+                    mTimedInteractionTimeoutMs.HasValue(),
+                    mSuppressResponse.ValueOr(false));
+            }
             VerifyOrReturnError(commandSender != nullptr, CHIP_ERROR_NO_MEMORY);
 
             chip::app::CommandSender::AddRequestDataParameters addRequestDataParams(mTimedInteractionTimeoutMs);