Merge pull request #7279 from bocoup/issue-7174

Fix gh -7174: Missing ARIA attribute for the search icon in the nav-bar

src/components/navigation/www/navigation.jsx

@@ -132,6 +132,7 @@ class Navigation extends React.Component {
                     <li className="search">
                         <Form onSubmit={this.handleSearchSubmit}>
                             <Button
+                                aria-label={this.props.intl.formatMessage({id: 'general.search'})}
                                 className="btn-search"
                                 type="submit"
                             />