Dark Mode is not Consistent when any link is clicked

[Saikatssd]

Describe the bug
Dark Mode changes to Light mode when home,about,contact,products,cart or opening a link i.e when going to another page

To Reproduce
Steps to reproduce the behavior:

1. Go to Dark Mode
2. Click on any link or shopping item
3. Then Dark Mode Automatically converts into light mode

Expected behavior
Dark Mode should be consistent until we click on the Light mode

Screenshots

[Saikatssd]

@Ankit-11525 Please assign me to work on this issue.
Please add the Hacktoberfest 2022 labels.

[Ankit-11525]

Go ahead!