Fix issue with formatting national phone numbers for countries with a '0' national prefix

[tareq89]

#7635

[euanmillar]

Is it not that we should do this? https://opencrvsworkspace.slack.com/archives/C062M3PU8SC/p1725616600395079?thread_ts=1725454069.182909&cid=C062M3PU8SC

[rikukissa]

@tareq89 add a unit test please to verify formatting of works okay with different countries' phone number schemes

[ocrvs-bot]

Your environment is deployed to https://ocrvs-7635.opencrvs.dev

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ Error: Invalid country calling code convertToLocal(src/forms/register/mappings/quer... View Issue

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