Search bar in breadcrumb disappears when users open a Most Useful article and then refresh the page.
Steps to Reproduce
1. Open any article ('kb_article' would be the page) in the service portal.
2. Click on any article in the most useful widget on the right (it will open the article in 'kb_article_view' page)
4. Refresh the page
5. Notice that the search bar in breadcrumb is gone and the links on the breadcrumb bar are changed.
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Related Problem: PRB1380727