bugfix: TypeSelector.svelte failed to load doc types and hence now option to create new docs was presented

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/task/Add.svelte

@@ -242,5 +242,5 @@
             {/if}
         </tbody>
     </table>
-    <button onclick={saveTask}>{t('save_task')}</button>
+    <button onclick={saveTask}>{t('save_object',{object:t('task')})}</button>
 </fieldset>