feat: mobile responsiveness for modals

[Spiral-Memory]

As an EmbeddedChat developer, figure out a way to ensure that popups / modals appear in a mobile-responsive manner on smaller screens.

Current Behavior:

[Spiral-Memory]

Feel free to contribute to this issue

[Stpriyasharma]

Assign this issue to me

[Spiral-Memory]

Sure @Stpriyasharma
Feel free to start

[cherylpinto]

Hello @Spiral-Memory , I'm a new contributor and would like to work on this issue. Could you please assign it to me if nobody is working on it?

[Spiral-Memory]

Hi @cherylpinto
Thanks for your interest, but as @Stpriyasharma is already working on it, I'll suggest you look for some other issue, or maybe first try exploring the app

It won't be good if multiple contributors contribute to same thing, the effort will go waste resulting in multiple duplicate PRs

[Stpriyasharma]

Hey @Spiral-Memory
i have solved this issue in my pr #943.