Update vue file for snippet_description_field

Also removed required as it is an optional field

qa/qa/page/dashboard/snippet/show.rb

@@ -5,8 +5,8 @@ module QA
     module Dashboard
       module Snippet
         class Show < Page::Base
-          view 'app/assets/javascripts/snippets/components/snippet_description_edit.vue' do
-            element :snippet_description_field, required: true
+          view 'app/assets/javascripts/snippets/components/snippet_description_view.vue' do
+            element :snippet_description_field
           end
 
           view 'app/views/shared/snippets/_header.html.haml' do