Fix slayer infobox disappearing on '0' timeout

Co-authored-by: trelkins3 <trelkins3@gmail.com>

runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java

@@ -390,7 +390,7 @@ public class SlayerPlugin extends Plugin
 			}
 		}
 
-		if (infoTimer != null)
+		if (infoTimer != null && config.statTimeout() != 0)
 		{
 			Duration timeSinceInfobox = Duration.between(infoTimer, Instant.now());
 			Duration statTimeout = Duration.ofMinutes(config.statTimeout());