PHP 8.1/2 deprecation notices

[claytoncollie]

Describe the bug

While running PHP 8.1 and PHP 8.2, I am seeing deprecation notices in my debug log.

[16-Oct-2023 15:27:23 UTC] PHP Deprecated:  strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7127
[16-Oct-2023 15:27:23 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2182
[16-Oct-2023 15:27:23 UTC] PHP Deprecated:  rawurldecode(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/wp-safe-edit/includes/Posts/Notices.php on line 39
[16-Oct-2023 15:27:23 UTC] PHP Deprecated:  rawurldecode(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-content/plugins/wp-safe-edit/includes/Posts/Notices.php on line 62

Happy to submit a PR if it is helpful.

Steps to Reproduce

1. create install running on PHP 8.1 or 8.2
2. clone this repo
3. activate plugin
4. go to main wp-admin dashboard
5. inspect debug.log for notices

Screenshots, screen recording, code snippet

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Environment information

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WordPress information

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