Prevent overflow for long usernames/domains

Long usernames end up overflowing the notification region and are cut off at the end, this should break the text so that it fits in the list.

Before the change:

After the change:

src/components/notifications/notifications.scss

@@ -81,6 +81,7 @@
 
   .follow-text, .move-text {
     padding: 0.5em 0;
+    overflow-wrap: break-word;
   }
 
   .status-el {