Allow manual refresh of disabled feeds (#6408)

fix https://github.com/FreshRSS/FreshRSS/issues/6407

app/Controllers/feedController.php

@@ -455,8 +455,8 @@ class FreshRSS_feed_Controller extends FreshRSS_ActionController {
 				continue;	//When PubSubHubbub is used, do not pull refresh so often
 			}
 
-			if ($feed->mute()) {
-				continue;	//Feed refresh is disabled
+			if ($feed->mute() && $feed_id === null) {
+				continue;	// If the feed is disabled, only allow refresh if manually requested for that specific feed
 			}
 			$mtime = $feed->cacheModifiedTime() ?: 0;
 			$ttl = $feed->ttl();