Gravity Forms 2.9.1.2

- Fixed an issue that prevents the template library stylesheet from loading in no-conflict mode and makes the template library unusable.

- Fixed an error on the widgets page that prevents the Gravity Forms block from working as a widget.
- Fixed an issue which prevents sorting by number in the total field.
- Fixed an issue that removes some inputs' sublabels when forms are saved.
- Removed the about page images from the codebase to reduce the codebase size.

- Fixed an issue that causes certain Gravity Forms css files in the WordPress admin to load when they aren't needed.
- Fixed an issue for sites hosted with WordPress.com where the “Enable auto-updates” spinner on the installed plugins page spins indefinitely.
- Fixed an issue where the WP-CLI `wp plugin auto-updates` commands aren't compatible with the background updates setting.
- API: Deprecated some of the form Theme Framework's global CSS API color system.
- API: Updated and simplified the form Theme Framework's global CSS API color system.