Fix bug in is_admin?

Fix bug in helpers for news and announcement

vendor/built_in_modules/news/app/helpers/panel/news/back_end/news_bulletins_helper.rb

@@ -1,6 +1,6 @@
 module Panel::News::BackEnd::NewsBulletinsHelper
   
-  def show_approval_link(news_bulletin)
+  def news_show_approval_link(news_bulletin)
     by_news_bulletin = (!news_bulletin.is_expired? and !news_bulletin.is_checked?)
     by_user = news_bulletin.news_bulletin_category.authed_users('fact_check').include?(current_user) or is_manager?
     by_news_bulletin and  by_user

vendor/built_in_modules/news/app/views/panel/news/back_end/news_bulletins/_news_bulletin.html.erb

@@ -54,7 +54,7 @@
 					<% end %>
 					<li class="dropdown"><%= link_to t('news_bulletin.delete'), panel_news_back_end_news_bulletin_path(news_bulletin), :confirm => t('news.sure?'), :method => :delete, :remote => true %></li>	
 				<% end %>
-				<% if show_approval_link(news_bulletin) %>
+				<% if news_show_approval_link(news_bulletin) %>
 					<li><%= link_to t('news.news_bulletin.approval'), panel_news_back_end_news_bulletin_approval_preview_path(news_bulletin)   %></li><%#= #TODO add ancher so user can quick access into that part %>
 				<% end %>