Updates connection handling in BackgroundQueue

Updates the BackgroundQueue to directly use the connection object provided in the configuration.

This simplifies the connection process and relies on the consumer to pass an already established connection, removing the need for connection creation within the class.

Author: thorewi

src/BackgroundQueue.php

@@ -47,9 +47,6 @@ class BackgroundQueue
 	 */
 	public function __construct(array $config)
 	{
-		if (is_string($config['connection'])) {
-			$config['connection'] = $this->parseDsn($config['connection']);
-		}
 		if (empty($config['waitingJobExpiration'])) {
 			$config['waitingJobExpiration'] = 1000;
 		}
@@ -85,7 +82,7 @@ public function __construct(array $config)
 		}
 
 		$this->config = $config;
-		$this->connection = DriverManager::getConnection($config['connection']);
+		$this->connection = $config['connection'];
 		$this->logger = $config['logger'] ?: new NullLogger();
 		if ($config['producer']) {
 			$this->producer = $config['producer'];