[Event Hubs] Requests are not retried when link creation fails

[ramya-rao-a]

There are 3 kinds of requests on the EventHubClient that use 3 different links

• AMQP sender link for send() requests
• AMQP receiver link for receive() and receiveBatch() requests
• A requestResponseLink for operations on the $management link

Assume that the link creation act fails with a retryable error for the above requests.
Among all the requests, receiveBatch() is the only one that retries.

The other requests (send(), recieve(), and operations on $management link) will not retry in this case. This goes against the promise we are making to our customers that if their requests (send(), recieve(), and operations on $management link) fails with a retryable error, then we will retry their requests

[ramya-rao-a]

This also depends on #2891 because one type of error during link creation is timeouts.

[ramya-rao-a]

Generally, we should ensure that we retry user requests when any step inside the request fails with retryable error. Since all other steps inside the request are already covered and link creation is the only one left, this issue is specifically talking about failures during link creation.

[ramya0820]

Closed with #4319 and #4322