Adding "close" icon when navbar-toggler is clicked

[antriksh-9]

Is your feature request related to a problem? Please describe. In mobile view of simulator, a navbar-toggler is present at the top-right corner which when clicked, the icon does not change to "close" icon.

Describe the solution you'd like Adding a "close" icon, replacing the the default icon navbar-toggler when it is clicked.

Additional context Solution of the problem:

https://github.com/CircuitVerse/cv-frontend-vue/assets/132576984/b43c0595-ed11-41d2-ae93-4b5b400cdd38

Are you working on this? (Yes/No) Yes