Connectors: Run settings registration and key passing on init at priority 20.

This ensures plugins registering AI providers at default priority have
completed before connector settings are built from the registry.

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Author: gziolo

src/wp-includes/connectors.php

@@ -340,7 +340,7 @@ function _wp_register_default_connector_settings(): void {
 		add_filter( "option_{$setting_name}", '_wp_connectors_mask_api_key' );
 	}
 }
-add_action( 'init', '_wp_register_default_connector_settings' );
+add_action( 'init', '_wp_register_default_connector_settings', 20 );
 
 /**
  * Passes stored connector API keys to the WP AI client.
@@ -375,7 +375,7 @@ function _wp_connectors_pass_default_keys_to_ai_client(): void {
 			wp_trigger_error( __FUNCTION__, $e->getMessage() );
 	}
 }
-add_action( 'init', '_wp_connectors_pass_default_keys_to_ai_client' );
+add_action( 'init', '_wp_connectors_pass_default_keys_to_ai_client', 20 );
 
 /**
  * Exposes connector settings to the connectors-wp-admin script module.