SectionList loses focus when search/filter returns no results / EmptyList component doesn't work with default data structure

[tharungeorgebabu]

saw an issue which has been closed

when using section list and passing in the header
when the search key returns an empty list, the search box looses focus

the same issue is still there in react native .50

original issue:#14249

[react-native-bot]

@facebook-github-bot no-template

[facebook-github-bot]

Hey @tharungeorgebabu, thanks for posting this! It looks like your issue is missing some required information. Can you please add all the details specified in the Issue Template? This is necessary for people to be able to understand and reproduce your issue. I am going to close this, but please feel free to open a new issue with the additional information provided. Thanks!

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