code refactor,old version fixes & add support for eslint 9 (#4016)

[abhishek818]

changes in patch eslint file related to shareable config logic

Related PR

/claim #4016

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[abhishek818]

@JonnyBurger Up for review, pls refer the fix here too.

[JonnyBurger]

Thanks a lot! 🙌

I have to first merge and test it but it looks promising!