Set user language to new recipe + cleaning

backend/templates/recipe_edit.html

@@ -59,12 +59,12 @@
 
     <label for="select-language">{{ tr.t(Sentence::RecipeLanguage) }}</label>
     <select id="select-language">
-    {% for lang in languages %}
-        <option value="{{ lang.1 }}"
-        {%+ if recipe.lang == lang.1 %}
+    {% for lang in Tr::available_languages() %}
+        <option value="{{ lang.0 }}"
+        {%+ if recipe.lang == lang.0 %}
             selected
         {% endif %}
-        >{{ lang.0 }}</option>
+        >{{ lang.1 }}</option>
     {% endfor %}
     </select>