Fix classifying the wrong image in FL duet_mnist

Fix FL duet_mnist classify_url_image function classifying the wrong image

Description

This PR solves the issue of Classifying the wrong image in federated learning duet_mnist url_image example. the function classify_url_image does not really classify the received image's URL; it displays the received image im but predicts the value of image_1, which is an example from the test dataset. The solution resizes and converts the Image object to a tensor object and sends the object to classifıcatıon functıon classify_local

Affected Dependencies

None

How has this been tested?

Uncommenting the function's test cell and running it shows that it classifies the image successfully.

Checklist

[x] I have followed the Contribution Guidelines and Code of Conduct
[x] I have commented my code following the OpenMined Styleguide
[x] I have labeled this PR with the relevant Type labels
[x] My changes are covered by tests

OpenMined / courses