Edit severity display for Mastodon CSV

Severity rating was being set as 'defederate' which is not a status in
Masto's blocklist import scheme, so it was changed to 'suspend' for
better compatibility.

src/Service/HandleExports.php

@@ -19,7 +19,11 @@ class HandleExports
         $records = [['domain', 'severity', 'public_comment', 'reject_media', 'reject_reports', 'obfuscate']];
         $entries = $this->locations->getActiveLocations();
         foreach ($entries as $entry) {
-            $item = [$entry->getUrl(), $entry->getRating(), $entry->getDescription(), "FALSE", "FALSE", "FALSE"];
+            $rating = $entry->getRating();
+            if ($rating == "defederate") {
+                $rating = "suspend";
+            }
+            $item = [$entry->getUrl(), $rating, $entry->getDescription(), "FALSE", "FALSE", "FALSE"];
             array_push($records, $item);
         }