fix(snowflakes): fix APCu cache restarted detection

Signed-off-by: Benjamin Gaussorgues <benjamin.gaussorgues@nextcloud.com>

Author: Altahrim

lib/private/Snowflake/Generator.php

@@ -118,7 +118,7 @@ private function getSequenceId(int $seconds, int $milliseconds, int $serverId):
 
 		// Use APCu as fastest local cache, but not shared between processes in CLI
 		if (!$this->isCli() && function_exists('apcu_enabled') && apcu_enabled()) {
-			if ((int)apcu_cache_info(true)['creation_time'] === $seconds) {
+			if ((int)apcu_cache_info(true)['start_time'] === $seconds) {
 				// APCu cache was just started
 				// It means a sequence was maybe deleted
 				return false;