Formatter.swift adding an extra 0 for Bangladesh numbers

[mtheresep]

New Issue Checklist

• [x] Updated PhoneNumberKit to the latest version
• [x] Phone number formatted correctly on JavaScript version
• [x] I searched for existing GitHub issues

Steps to reproduce

1. Utilizing PhoneNumberKit.format to output .national type phone numbers.
2. Choose the Bangladesh country picker option.
3. Type a Bangladesh phone number. (example: 721-123456)

Expected result

National result: 721-123456

Actual result

National result: 0721-123456

Environment

Utilizing this library for an app via Cocoapods. Recently had a Bangladeshi user report that they are not able to add their phone number because of the extra 0 being added.

[bguidolim]

Hi @mtheresep

This is the expected result when formatting the number to national, it's defined in the metadata for this region.

[github-actions[bot]]

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