WPML – Translation Management – Version – 2.10.4

# Features
* [wpmltm-3969] Fixed the error in the the Translation Management Dashboard Polling Box which occured with the new WordPress 5.6 version.

# Fixes
* [wpmltm-3960] Fixing warnings for private methods marked as final and overriden.
* [wpmltm-3959] Removed usage of WP_PLUGIN_DIR constant.
* [wpmltm-3958] Fixing required parameters following optional ones.
* [wpmltm-3956] Replaced double quotes with single quotes in the SQL query.
* [wpmltm-3928] Fixed opening translations from CTE in ATE.
* [wpmltm-3895] Fixed the default state for overdue translation notifications.
* [wpmltm-3807] Fix problem with Synchronizing the post status when updating a translation.
* [wpmltm-3305] Fixed minor issue with language selectors in jobs filter.

# Performances
* [wpmltm-2140] Scanning only translated strings when using `Translate Link Targets` function.

# Usability
* [wpmltm-3978] Fixed Fatal error: Uncaught Error: Call to a member function get_translation_job() on null.
* [wpmltm-3510] Fixed editor choosing when the previous job was created in Classic Editor.