Register SQLite enhancements for Query Monitor when booting it, not in the plugin

This makes the enhancements work in WordPress Playground, as Playground only
loads the SQLite driver and not all of the SQLite Database Inegration plugin.

Author: JanJakes

integrations/query-monitor/boot.php

@@ -125,3 +125,12 @@
 
 // 5. Mark the Query Monitor integration as loaded.
 define( 'SQLITE_QUERY_MONITOR_LOADED', true );
+
+// 6. Register the SQLite enhancements for Query Monitor.
+function register_sqlite_enhancements_for_query_monitor() {
+	require_once __DIR__ . '/plugin.php';
+}
+
+if ( function_exists( 'add_action' ) ) {
+	add_action( 'plugins_loaded', 'register_sqlite_enhancements_for_query_monitor' );
+}

load.php

@@ -26,8 +26,3 @@
 require_once __DIR__ . '/deactivate.php';
 require_once __DIR__ . '/admin-notices.php';
 require_once __DIR__ . '/health-check.php';
-
-// Query Monitor integration:
-if ( defined( 'SQLITE_QUERY_MONITOR_LOADED' ) && SQLITE_QUERY_MONITOR_LOADED ) {
-	require_once __DIR__ . '/integrations/query-monitor/plugin.php';
-}