BUG--Dark mode disabled after refreshing

[Manishak798]

When a user applies a dark theme on the website it instantly gets disabled after refreshing the website. I want to work on this issue please assign this to me under GSSOC23.

[github-actions]

Hello Manishak798, thanks for opening a issue, your contribution is valuable to us. The maintainers will review this issue and provide feedback as soon as possible.