Fix bug with Wordpress 5.8 - media library grid mode infinite loading was replaced by button load

[profanek]

Hi, I think filtering query should be enough for using taxonomy in media grid.

The problem is with additional data, that original Wordpress ajax request return (version 5.8).

https://developer.wordpress.org/reference/functions/wp_ajax_query_attachments/

[Copilot]

Pull request overview

This PR fixes a compatibility issue with WordPress 5.8 where the media library grid mode's infinite loading feature was replaced by a button load mechanism. The fix transitions from hooking into the AJAX action directly to using WordPress's built-in ajax_query_attachments_args filter, which allows the plugin to modify query arguments without interfering with WordPress's response structure.

Key Changes:

• Replaced the wp_ajax_query-attachments action hook with the ajax_query_attachments_args filter hook
• Added a new wp_media_categories_ajax_filter_query() function that focuses solely on filtering query arguments
• Preserved the existing taxonomy filtering logic (specific categories and "no category" filtering)

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 6 comments.

File	Description
wp-media-categories/includes/hooks.php	Updated hook registration to use the filter-based approach instead of the action-based approach for WordPress 5.8 compatibility
wp-media-categories/includes/ajax.php	Added new filter function that extracts taxonomy filtering logic from the original AJAX handler

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