[Site] [Dark Mode] Update import catalog modal according to theme

[Chadha93]

Current State of the Meshery.io site

Dark mode issues with modals:
The text is not visible in dark mode.

1. Import catalog item modal.
   

Desired State of the Meshery.io site

Update modal text and icons according to dark mode.

---

Contributor Guides and Handbook

The meshery.io website uses Jekyll and GitHub Pages. Site content is found under the master branch.

• 📚 See the Contributing to Meshery.io Website section of the readme.md and other contributing instructions, too.
• 🎨 Wireframes and designs for Meshery UI in Figma
• 🙋🏾🙋🏼 Questions: Discussion Forum and Community Slack

[vaibhav-xp]

@Chadha93
Hey, I want to work on this issue. Please assign it to me.

[rush33]

@Chadha93 I kindly request permission to resolve this issue. Thanks!

[Chadha93]

Thanks for volunteering, guys! Assigning in chronological order...

[Savio629]

@Chadha93 Can you look at this closed issue? #1169
Sudhanshu was already working on it but his pr was closed and after that I guess @thisiskaransgit misunderstood the issue with the some other pr...

[thisiskaransgit]

@vaibhav-xt, what's your progress?

[vaibhav-xp]

@thisiskaransgit
Since I was not active for 3-4 days. I'll be make pr tomorrow.

[Savio629]

@vaibhav-xt There's also an issue present on catalog light theme
The coming soon text is not visible properly....

[vaibhav-xp]

@Savio629 I'll do it. Nice Catch!😎

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[vaibhav-xp]

@Chadha93 please have a look now.