fix: the issue of number input in the corePhone

[priyanshu2k3]

fixes the issue of number input when number exceedes 15 digit it gets converted to the scientific

ref: #419

Description

fix: the issue of number input in the corePhone issue NO #419

Related Issues

Checklist

• [x] I have performed a thorough self-review of my code.
• [x] I have added or updated relevant tests for my changes.
• [ ] My code follows the project's style guidelines and best practices.
• [ ] I have updated the documentation if necessary.
• [ ] I have added or updated relevant comments in my code.
• [ ] I have resolved any merge conflicts of my branch.

Screenshots (if applicable)

Additional Notes

Reviewers

Thank you for your contribution!-->

---

Maintainer Notes

• [ ] Has this change been tested in a staging environment?
• [ ] Does this change introduce any breaking changes or deprecations?