GravityView DIY Layout Extension 2.5.1

Fixed
* Field labels could not be configured in the DIY layout.

#### Improved
* Removed the unused "Label" property from the field settings modal in the View editor.

#### Fixed
* After performing a search, the page did not scroll to the View's position because of a missing anchor ID.
* PHP 8.2 deprecation notice related to dynamic property creation.

* Added: Support for Custom Content fields on the Edit Entry screen (this requires GravityView 2.16.5 or newer)
* Fixed: PHP 8 notices