Use correct loading mode of Bootstrap-Markdown

data-provide="markdown-editable" is intended for inline editing of page
content à la contenteditable. When this is applied to a textarea, the
editor is loaded only after the user clicks on the field. This behavior
breaks focus and is incompatible with keyboard navigation.

app/views/admin/resources/_form.html.haml

@@ -9,7 +9,7 @@
   .col-md-8
     = semantic_form_for(@resource, :url => (@resource.new_record? ? admin_conference_resources_path : admin_conference_resource_path(@conference.short_title, @resource))) do |f|
       = f.input :name, input_html: { autofocus: true }
-      = f.input :description, input_html: { rows: 5, data: { provide: 'markdown-editable' } }
+      = f.input :description, input_html: { rows: 5, data: { provide: 'markdown' } }
       = f.input :used
       = f.input :quantity
       %p.text-right