Add confirm dialog before Permanently delete

[karthick-murugan]

What?

Fixes #60383, where the "Permanently Delete" action for trashed posts in the WordPress editor was not functioning as expected. This PR improves the logic and introduces a confirmation modal to ensure users can confirm their actions before permanently deleting posts.

Why?

The current implementation of the "Permanently Delete" action did not provide a clear user experience and lacked safeguards like a confirmation modal. This could lead to unintentional deletions. By addressing this issue, the PR ensures a better and more accessible user experience while reducing the likelihood of errors.

How?

Added a modal confirmation step to confirm the deletion of selected posts.

Testing Instructions

• Open the WordPress admin dashboard.
• Navigate to any list of posts.
• Move one or more posts to the trash.
• Select the trashed posts and use the "Permanently Delete" option.
• Confirm the deletion in the modal dialog.
• Observe the success or error notices for both individual and bulk deletion scenarios.

Screenshots or screencast

REC-20241211165122.mp4

[github-actions]

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Co-authored-by: karthick-murugan <[email protected]>
Co-authored-by: ntsekouras <[email protected]>
Co-authored-by: Mamaduka <[email protected]>
Co-authored-by: annezazu <[email protected]>
Co-authored-by: ammar-Mohamed-elz3eeem <[email protected]>
Co-authored-by: jameskoster <[email protected]>
Co-authored-by: afercia <[email protected]>

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[Mamaduka]

@karthick-murugan, entity actions already have built-in support for confirmation modals. See delete-post and trash-post actions for examples.

[ntsekouras]

Thanks for the PR! This looks good code wise. I've left a comment regarding the copy. Also it would be good to rebase.

[ntsekouras]

Looks good, thank you!