GravityView 2.39.1

This update adds support for Nested Forms' entry meta, addresses several bugs, including critical ones, and improves GravityKit's Settings and Manage Your Kit screens.

#### Added
* Support for Gravity Wiz's Gravity Forms Nested Forms entry meta (parent form and entry IDs, child form field ID) in the View editor and merge tags.

#### Improved
* The "Add All Fields" button in the View editor now adds fields in their correct form order.

#### Fixed
* Export link View widget would cause a fatal error during multi-word searches.
* Fatal error when the search bar is configured with a Gravity Flow field and the Gravity Flow plugin is not active.
* Duplicating entries no longer fails to refresh the entry list when View-based caching is enabled.
* View cache not being invalidated when updating entries on a form joined using the Multiple Forms extension.
* Number field output now respects the form field's format settings, such as decimals and currency.

#### Updated
* [Foundation](https://www.gravitykit.com/foundation/) to version 1.2.14.
- Added an option to subscribe to GravityKit's newsletter from the Manage Your Kit screen.
- Added a setting in GravityKit > Settings > GravityKit to specify the GravityKit menu position in the Dashboard.
- Improved internal check for product updates that could still interfere with third-party plugin updates. Thanks, Aaron!
- Fixed a bug that prevented WordPress from loading third-party plugin translations after their updates. Thanks, Jérôme!
- Success message now shows correct product name after activation/deactivation.

#### Developer Updates
* Added `gk/gravityview/entry/approval-link/params` filter to modify entry approval link parameters.

#### Added
* Support for negative, positive, and exact-match search modifiers in the Search Bar.
* Range-based search for Number, Product (user-defined price), Quantity and Total fields in the Search Bar.
* Ability to duplicate View fields and widgets, and to insert them at a desired position.

#### Fixed
* Editing an entry with Yoast SEO active resulted in changes being saved twice.
* Views secured with a secret code did not display inside LifterLMS dashboards.
* View editor display issues when LifterLMS is active.
* Fatal error when editing posts/pages containing GravityView blocks.

#### Updated
* [Foundation](https://www.gravitykit.com/foundation/) to version 1.2.12.
- Fixed a bug that hid third-party plugin updates on the Plugins and Updates pages.
- Resolved a dependency management issue that incorrectly prompted for a Gravity Forms update before activating, installing, or updating GravityKit products.

__Developer Updates:__
* `gk/gravityview/common/quotation-marks` filter to modify the quotation marks used for exact-match searches.
* `gk/gravityview/search/number-range/step` filter to adjust the interval between numbers in input fields for range-based searches.

#### Fixed
* Previewing a GravityView block for a View that has enhanced security enabled no longer results in a notice about a missing `secret` shortcode attribute.
* GravityView blocks now render for all users, not just those who are logged in.