Search form ID is not unique in document

[robbieaverill]

Starter 3.0.x-dev

Observed on the search results page.

Issue description: Ensures every id attribute value is unique
Impact: minor

Element location .d-md-block
Element source: <form id="SearchForm_SilverStripe_CMS_Search_SearchForm" action="search/SearchForm" method="get" enctype="application/x-www-form-urlencoded" class="form-inline d-none d-md-block header-search float-right" role="search">

To solve this violation, you need to fix the following: Document has multiple static elements with the same id attribute

Related node: .inline-form