Make create element dialog wider

Now with the icon we can give it a bit more space for the element name.

Author: tvdeyen

app/views/alchemy/admin/elements/_add_nested_element_form.html.erb

@@ -19,7 +19,7 @@
         parent_element_id: element.id,
         page_version_id: element.page_version_id
       ), {
-        size: "320x125",
+        size: "380x125",
         title: Alchemy.t("New Element")
       }, class: "button add-nestable-element-button" %>
   <% end %>

app/views/alchemy/admin/elements/index.html.erb

@@ -9,7 +9,7 @@
         label: Alchemy.t("New Element"),
         dialog_options: {
           title: Alchemy.t("New Element"),
-          size: "320x125"
+          size: "380x125"
         },
         if_permitted_to: [:create, Alchemy::Element]
       ) %>