PublishPress Revisions Pro 3.5.16

* Fixed : Post Editor - New Revision button was not displayed
* Lang : Some translations did not load
* Fixed : Edit Revision with Classic Editor - submit button not displayed for some custom post types

* Fixed : Scheduled Revisions failed on WP 5.9 if WP Cron scheduling was disabled in Revisions settings

* Fixed : Revision submission in Classic Editor caused "Undefined" link next to "Preview" link
* Fixed : New revisions created with "Auto-submit" option had wrong date (and listing order) in Revision Queue
* Fixed : PHP error on revision approval under some configurations
* Fixed : Dashboard Activity widget: Scheduled revisions were not included in Publishing Soon list
* Fixed : API: wp_after_insert_post action was not applied at revision publication
* Compat : Divi - Revision preview bar not visible on front end
* Compat : Divi - Classic Editor setting did not trigger correct Revisions UI
* Compat : Custom post types - revision submission button not displayed in some configurations
* API: New filters pp_revisions_option_pending_revision_update_post_date, pp_revisions_option_pending_revision_update_modified_date, pp_revisions_option_scheduled_revision_update_post_date, pp_revisions_option_scheduled_revision_update_modified_date