(crawling-model) Fix bug where CrawledDocument.getDomain() trimmed www-prefixes

This had the knock-on effect of breaking the anchor tag loading in the processor for a lot of domains, since they'd grab domains for the wrong domain name.

code/process-models/crawling-model/src/main/java/nu/marginalia/crawling/model/CrawledDocument.java

@@ -52,7 +52,7 @@ public class CrawledDocument implements SerializableCrawlData {
         return EdgeUrl
                 .parse(url)
                 .map(EdgeUrl::getDomain)
-                .map(d -> d.domain)
+                .map(Object::toString)
                 .orElse(null);
     }