Fix ActivityPub refollow actions

[akirk]

Summary

• show Re-follow actions for pending ActivityPub follows as well as unmanaged follows
• do not show Re-follow when no local ActivityPub actor record exists for the feed
• handle WP_Error responses and reschedule queued follow outbox items when re-following
• pass the original item author into the entry dropdown hook when displayed author data differs

Testing

• composer check-cs
• php -l feed-parsers/class-feed-parser-activitypub.php
• php -l includes/class-frontend.php
• php -l templates/frontend/parts/header-menu.php

Changelog

• Automatically create a changelog entry from the details below

Type

• Fixed

Message

Fix ActivityPub re-follow actions for pending subscriptions.

[github-actions]

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