darkmode icon settled

[3nn3n]

trafficstars

Related Issue

• DarkMode button is not properly aligned and it's size is large than usual. #1955

Closes: #1955

Describe the changes you've made

A clear and concise description of what you have done to successfully close your assigned issue. Any new files? or anything you feel to let us know!

Describe if there is any unusual behaviour of your code(Write NA if there isn't)

Aligned the Dark Mode toggle button in the navbar and adjusted its size for better UI consistency.

Checklist:

• [ ] My code follows the style guidelines of this project.
• [ ] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [ ] New and existing unit tests pass locally with my changes.

Screenshots

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