Refactored Login.jsx: Enhanced error handling, simplified logic, and …

[Shraya-Amatya]

…created a Dialog component by cleaning up unnecessary useEffects

Fixes Issue

My PR closes #issue_number_here

👨‍💻 Changes proposed(What did you do ?)

✔️ Check List (Check all the applicable boxes)

• [] My code follows the code style of this project.
• [] This PR does not contain plagiarized content.
• [] The title and description of the PR is clear and explains the approach.

Note to reviewers

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[Dun-sin]

Don't know what you're doing, dude, anyway your pull request is rejected, reason 👉🏾is here👈🏾

Thanks for wanting to contribute, I hope you continue to do so properly.