detect duplicate class method

[SurajBDeore]

This pull request addresses an issue where the ref_down section in the lobster.report is incorrectly reflecting class references in the .py file.

Changes Made:

• Updated the method tracing logic to correctly capture and display method names in the ref_down section of the lobster.report. This ensures accurate tracking of references in accordance with the expected output.
• This change resolves the issue of incorrect method referencing in reports and improves the traceability of code references in the generated lobster.report.

Issue #89

[mugdhadhole1]

I could see that the CI failed at "Check output files" Your code modifications result in the changes in output files. You have to push the modified output files together with your code.

Suggestion - Please run the make test-ci command to generate the modified output files locally

Please check make lint as well locally to avoid CI failure