Enatega Customer Application : The phone number field allowing to enter alphabets when new user logging-in and verifying his phone number

Describe the bug
The phone number field allowing to enter alphabets when new user logging-in and verifying his phone number.

To Reproduce
Steps to reproduce the behavior:

Go to 'Enatega Customer Application'
Click on 'Continue with email'
After that a screen will open requiring your phone number SEE ERROR now select any country phone number field is allowing to enter alphabets
Expected behavior
The phone number field should be restricted to allow user to enter only digits not aplhabets

Screenshots

Screen_Recording_20250122_123304.mp4
Smartphone (please complete the following information):

Device: [e.g. Infinix Hot 50]
OS: [e.g. Android]
Browser [e.g. Application]
Version [e.g. 14]

Start in the Enatega Customer Application and reproduce the issue through Continue with email, then the phone-number verification screen after selecting a country. Trace the phone number field used in that flow and verify that alphabetic input is rejected while digits remain accepted.

Written by the indexing model from the issue text.