fix: added cursor as pointer for theme toggle dropdown menu items

[Amogh-Nivaskar]

What does this PR do?

Makes the cursor property as pointer for the theme toggle dropdown items, since they are clickable

Fixes #146

Video Demo

https://www.loom.com/share/b98640d571c2435090da6aeb864e6f79

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Chore (refactoring code, technical debt, workflow improvements)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How should this be tested?

1. Login or signup and go to dashboard.
2. On the upper righthand corner, click on the theme toggle button
3. Hover on the dropdown items of theme toggle button
4. You will see that the cursor is set to pointer

[github-actions]

Thank you for following the naming conventions! 🙏

[Amogh-Nivaskar]

@hemantwasthere this is the new PR I have opened after fixing merge conflicts. Pls do have a look

[hemantwasthere]

LGTM!