.NET SDK workflow examples are outdated

[hhunter-ms]

The How-to: Manage Workflows article to schedule a new workflow are wrong for .NET and need updating in the same way that the Python ones were updated from start to scheduleNewWorkflow

So this .NET sample should be changed:

// Start the workflow. This returns back a "StartWorkflowResponse" which contains the instance ID for the particular workflow instance.
StartWorkflowResponse startResponse = await daprClient.StartWorkflowAsync(orderId, workflowComponent, workflowName,

Look at the examples here https://github.com/dapr/dotnet-sdk/tree/master/examples/Workflow, but actually they all need to change since they have Workflow Component that is not correct.

[hhunter-ms]

Created this issue from comment here: #4563