Fix condition

empty strings aren't truthy.

app/views/assignments/_user_avatar.html.erb

@@ -11,7 +11,7 @@
     <% end %>
   </button>
 </span>
-<% if user.languages_from || user.languages_to %>
+<% if !user.languages_from.blank? || !user.languages_to.blank? %>
 <small class="text-2xs uppercase font-light bg-black/10 rounded-sm p-1 mr-1" aria-label="Languages <%= user.name %> can translate" title="Languages <%= user.name %> can translate">
     <%= user.languages_from %>
     <span aria-label="to">→</span>

app/views/candidates/_user_avatar.html.erb

@@ -12,7 +12,7 @@
     <% end %>
   </button>
 </span>
-<% if user.languages_from || user.languages_to %>
+<% if !user.languages_from.blank? || !user.languages_to.blank? %>
 <small class="text-2xs uppercase font-light bg-black/10 rounded-sm p-1 ml-1">
     <%= user.languages_from %>
     <% if user.languages_from && user.languages_to %>→<% end %>