fixed navbar menu functionality for small screen devices

[dushyant2901]

Closes: #1667

Description

Fixed menu functionality in small-screen devices. Now if a user clicks on the menu icon the menu functionality is triggered as expected.

Screenshots

Checklist

• [x] My code adheres to the established style guidelines of the project.
• [ ] I have included comments in areas that may be difficult to understand.
• [x] My changes have not introduced any new warnings.
• [x] I have conducted a self-review of my code.