Refactor recipe editing logic to use User's method for permission check and update template accordingly

backend/templates/recipe_view.html

@@ -6,7 +6,7 @@
     <h2 class="recipe-title" >{{ recipe.title }}</h2>
 
     {% if let Some(user) = context.user %}
-        {% if crate::data::model::can_user_edit_recipe(user, recipe) %}
+        {% if user.can_edit_recipe(recipe) %}
             <a class="edit-recipe button" href="/{{ context.tr.current_lang_code() }}/recipe/edit/{{ recipe.id }}" >Edit</a>
         {% endif %}
     {% endif %}