PHP deprecation error in WP_Image_Editor crop (`Implicit conversion from float)

[nicomollet]

This pull request removes the PHP deprecated errors (like Implicit conversion from float 1112.7466666666667 to int loses precision) in WP_Image_Editor_Imagick/WP_Image_Editor crop method.

While crop expects integers, integers are not always passed to it.
So the goal is to cast the params to cast (int) before passing them to the method.

Other usage of crop already have int params so only 2 occurrences were fixed.

Tested on:

• PHP 8.1
• PHP 8.0

How to reproduce the error:

1. Go to /wp-admin/media-new.php and upload an image
2. "Edit" the image
3. Then do a crop with the mouse and "Apply crop"
4. See the Implicit conversion from float in the debug log

Trac ticket:
https://core.trac.wordpress.org/ticket/59782

[github-actions]

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[github-actions]

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[joedolson]

In r58457