Allow current empty feeds to be configured in Feedreader

[mib1185]

Proposed change

SSIA

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
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Additional information

• This PR fixes or closes issue: fixes "The Feedreader YAML configuration import failed" when migrating to ConfigFlow configuration #121404
• This PR is related to issue:
• Link to documentation pull request:

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[frenck]

Thanks, @mib1185 👍

A bit odd, but makes sense in a way as well...

../Frenck

[martin3000]

What happens with the title when the feed is empty?
feed_title = feed["feed"]["title"]

[mib1185]

The feed itself is not empty, it just contains no items