fix: dark mode enable icon not found

[Golu7667]

Fixes Issue

My PR closes #619

👨‍💻 Changes proposed(What did you do ?)

Adding original theme settings and removing temporary theme settings.

✔️ Check List (Check all the applicable boxes)

• [1] My code follows the code style of this project.
• [2] This PR does not contain plagiarized content.
• [3] The title and description of the PR is clear and explains the approach.

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