Gravity Forms Signature Addon 4.6.0

- Updated the signature field to be compatible with Compact View in Gravity Forms 2.8.
- Fixed a PHP 8.1 notice on form submission.

- Fixed an issue that makes the signature reset button hard to press using mobile browsers.

- Updated styles to work with the Orbital theme in Gravity Forms 2.7.
- Updated the location of reset icons and lock icon to provide better accessibility and better user experience.
- Updated the editor icon.
- Fixed an issue on the entry edit page that prevents the signature from being edited.