Fix: Fatal php error if a template was created by an author that was deleted.

[jorgefilipecosta]

Fixes a fatal php error if a template was created by an author that was deleted.
cc: @fullofcaffeine

Testing

I'm not being able to test this scenario in the UI as when we delete a user the UI forces content deletion, or attribution to another author. But I guess it may happen and it is good to have this safe guard.

[github-actions]

This pull request has changed or added PHP files. Please confirm whether these changes need to be synced to WordPress Core, and therefore featured in the next release of WordPress.

If so, it is recommended to create a new Trac ticket and submit a pull request to the WordPress Core Github repository soon after this pull request is merged.

If you're unsure, you can always ask for help in the #core-editor channel in WordPress Slack.

Thank you! ❤️

View changed files

❔ lib/compat/wordpress-6.5/rest-api.php

[github-actions]

Flaky tests detected in 2df9ae4.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/7185824178
📝 Reported issues:

• [Flaky Test] should display the "Manage Fonts" icon #56776 in /test/e2e/specs/site-editor/font-library.spec.js

[fullofcaffeine]

Thanks for the quick turnaround here! 🙇🏻

[getdave]

Being backported in WordPress/wordpress-develop#5940