Replace name variable by common_utils.get_user_hash()

[msehsah1]

Replace the name variable by common_utils.get_user_hash() to resolve an issue where the SSH control path was too long, which caused problems with Unix domain sockets.

Tested (run the relevant ones):

• Code formatting: bash format.sh
• Any manual or new tests for this PR (please specify below)
• All smoke tests: pytest tests/test_smoke.py
• Relevant individual smoke tests: pytest tests/test_smoke.py::test_fill_in_the_name
• Backward compatibility tests: bash tests/backward_comaptibility_tests.sh

[Michaelvll]

Thanks for the contribution @mahmoudrasmyfathy1! Could you help run the ./format.sh to resolve the CI error? : )

[msehsah1]

@Michaelvll , thank you for your support. I've run format.sh and all tests passed successfully. Awaiting your review.