[DOC] Fix Broken [Source] Link and Improve Documentation for suppress_output()

[Kaustbh]

Reference Issues/PRs

FIxes: #2642

What does this implement/fix? Explain your changes.

1. FIx Broken Source Link

   • Use inspect.unwrap() to handle wrapped or decorated functions to get the original source.

2. Improved function documentataion

Does your contribution introduce a new dependency? If yes, which one?

Any other comments?

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