Fix URLs not actually being enqueued from WordPress

2f7c2cc changed detectURLs to only
return the URLs, not enqueue them. This means that the detect case here
was basically a no-op, other than printing a very misleading log
message.

Author: john-shaffer

src/Controller.php

@@ -602,7 +602,7 @@ public static function wp2staticProcessQueue() : void {
                 switch ( $job->job_type ) {
                     case 'detect':
                         WsLog::l( 'Starting URL detection' );
-                        $detected_count = count( URLDetector::detectURLs() );
+                        $detected_count = URLDetector::enqueueURLs();
                         WsLog::l( "URL detection completed ($detected_count URLs detected)" );
                         break;
                     case 'crawl':