fix filter

app/views/entries/index.html.erb

@@ -274,8 +274,11 @@
           </td>
           <td>
             <% if entry.hours.to_i > 0 || entry.minutes.to_i > 0 %>
-              <%= formatted_duration(entry) if formatted_duration(entry) %>
+              <%= formatted_duration(entry) %>
+            <% else %>
+              —
             <% end %>
+          </td>
           <td>
             <%= ["Fortbildung", "Semesterkosten"].include?(entry.entry_art) ? entry.entry_art : entry.praktikums_typ.capitalize %>
           </td>
@@ -285,13 +288,12 @@
           <td>
             <%= entry.beschreibung %>
           </td>
-
-            <td><%= entry.distance_km.to_f %> km</td>
-
+          <td>
+            <%= entry.distance_km.to_f %> km
+          </td>
           <td>
             <%= number_to_currency(entry.kilometer_pauschale, unit: "€", separator: ",", delimiter: ".") %>
           </td>
-
           <td>
             <%= number_to_currency(entry.kosten, unit: "€", separator: ",", delimiter: ".") %>
           </td>