Move security evaluations for File/Echoareas back to model

app/Models/Echomail.php

@@ -149,7 +149,7 @@ final class Echomail extends Model implements Packet
 				$exportto = ($x=$model
 					->echoarea
 					->addresses
-					->filter(function($item) use ($model) { return $item->security >= $model->echoarea->sec_read; }))
+					->filter(function($item) use ($model) { return $model->echoarea->can_read($item->security); }))
 					->pluck('id')
 					->diff($seenby);