Prefill with country code

[JoymenOpoyi]

Issue Description

If the value for default code is dynamic it doesn't accept it

Steps to Reproduce / Code Snippets

Used this function for conversion = #392

I tried this function, it returns the country code properly but that object is not accepted by defaultCode prop, pls help @RamijM
[FILL THIS OUT]

Expected Results

Should change default country code automatically(prefill)

[FILL THIS OUT]

Additional Information

• Nodejs version: RECOMMENDED ONES
• React version: RECOMMENDED ONES
• React Native version: RECOMMENDED ONES
• react-native-country-picker-modal version: RECOMMENDED ONES
• Platform(s) (iOS, Android, web, or all?): all
• TypeScript version: NOT SURE

[JoymenOpoyi]

I also tried coveting that object using countrycode as CountryCode(type from library)
import { CountryCode } from "react-native-country-picker-modal";