fix: clear all task button

[Sanchitbajaj02]

Related Issue

Issue: #356

Description

Clear all task button is working fine now. Also there was a bug in a classname in the query selector that I fixed as well.

Screenshots (if applicable)

N/A

Checklist

• [x] My code adheres to the established style guidelines of the project.
• [x] 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.

[netlify[bot]]

✅ Deploy Preview for simply-tasked-list ready!

Name	Link
🔨 Latest commit	b8e10d96d4125bba366afd41e9e41712a81274d7
🔍 Latest deploy log	https://app.netlify.com/sites/simply-tasked-list/deploys/65ba5f9c08434400089a8d70
😎 Deploy Preview	https://deploy-preview-357--simply-tasked-list.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[Kritika30032002]

Thanks for your Valuable contribution. Don't forget to star the repo.