Merge pull request #51016 from nextcloud/backport/50874/stable30

[stable30] fix: Initialize lastConnectionCheck after first connection

Author: come-nc

lib/private/DB/Connection.php

@@ -218,15 +218,15 @@ public function connect($connectionName = null) {
 				return parent::connect();
 			}
 
-			$this->lastConnectionCheck[$this->getConnectionName()] = time();
-
 			// Only trigger the event logger for the initial connect call
 			$eventLogger = Server::get(IEventLogger::class);
 			$eventLogger->start('connect:db', 'db connection opened');
 			/** @psalm-suppress InternalMethod */
 			$status = parent::connect();
 			$eventLogger->end('connect:db');
 
+			$this->lastConnectionCheck[$this->getConnectionName()] = time();
+
 			return $status;
 		} catch (Exception $e) {
 			// throw a new exception to prevent leaking info from the stacktrace