fix: Create post modal

[TusharKumawat1]

What kind of change does this PR introduce?

This pull request refactors the "Create Post" modal to improve the code structure and fix CSS issues. These changes enhance the development process and visual appeal of our application. Your prompt review and approval are appreciated.

Issue Number:

Fixes #991

Did you add tests for your changes?
YES

Snapshots/Videos:

*Before

*After

Summary

This pull request introduces UI changes that significantly improve the visual appeal, making it more attractive than the previous version.

#991 (comment)

Other information

I kindly request your review of this pull request. Your feedback is appreciated. I am available to address any suggestions or requests for changes. Thank you for your time.

Have you read the contributing guide?

Yes

[github-actions]

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[palisadoes]

Closing as well be adding new issues for this that meets our design style