REFACTOR: react and node version migration for the ui project

[vinothkumar-xyram]

Here’s a summary of the changes :

Category	Previous (myfirstreact)	Updated (ecrnow-ui)	Description
React Version	^16.14.0	^18.3.1	Upgraded React to the latest stable version for improved performance and features.
React DOM Version	^16.14.0	^18.3.1	Updated React DOM to match the upgraded React version.
Material UI	@material-ui/core ^4.11.2	@mui/material ^6.4.2	Migrated from Material-UI v4 to MUI v6 for access to the latest design components and features.
Emotion Library	Not present	@emotion/react ^11.14.0, @emotion/styled ^11.14.0	Added Emotion for styling as MUI v5+ relies on Emotion for its styling framework.
MUI Icons	Not present	@mui/icons-material ^6.4.2	Added MUI Icons for a wider range of modern icons.
React Router	^5.2.0	^7.1.1	Upgraded React Router for improved routing capabilities and new APIs.
Bootstrap	^4.5.3	^5.3.3	Upgraded Bootstrap for updated styles and features.
React Bootstrap	^1.4.0	^1.6.8	Updated React Bootstrap for compatibility with the upgraded Bootstrap version.
React Notifications	react-notifications-component 2.4.0	Removed	Replaced with react-toastify ^11.0.3 for a modern toast notification experience.
React Toastify	Not present	^11.0.3	Added React Toastify for better notification handling.
Core-JS	Not present	^3.39.0	Added Core-JS for polyfill support in modern JavaScript environments.
React Scripts	^4.0.1	^5.0.1	Upgraded React Scripts to support new React and JS features.
Browserslist	Production: >0.2%, not dead, not op_mini all Development: last 1 chrome version, last 1 firefox version, last 1 safari version	Production: last 2 versions, not dead Development: last 2 chrome version, last 2 firefox version, last 2 safari version	Updated browserslist targets for better compatibility and support for modern browsers.
DevDependencies	@types/react-notifications-component ^2.4.0	@types/react-notifications-component ^2.4.0, react-scripts ^5.0.1	Added react-scripts to devDependencies for development tooling.
Proxy	http://localhost:8081	Same	No changes made to the proxy configuration.