Mantine components migration from v6 to v7

[Nishchit14]

• Package version: Updated mantine package versions to v7 & react, react-dom package to v18
• Css Order: Added preset.css file & updated css file import order in order to apply tailwind classes on mantine components
• Replaced Functions: Updated usage of createStyles with tailwind classes file in all ui-kit components & added import for cx[previously used from mantine createStyles fn] from 'classnames'
• HOC component: Added FCThemeVariantProvider wrapper to update the theme variant provider
• Props update: Updated new props usage [replaced prop: compact, icon, leftIcon, rightIcon] in all components [Button, Input, Menu]
• Design Update: Updated animation classes on the dropdown menu open/close

closes #86

[netlify]

✅ Deploy Preview for staging-firecamp-dev ready!

Name	Link
🔨 Latest commit	7f4d474
🔍 Latest deploy log	https://app.netlify.com/sites/staging-firecamp-dev/deploys/6531125e36ff450008f03317
😎 Deploy Preview	https://deploy-preview-100--staging-firecamp-dev.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.