PLT-7: Refactoring frontend (chunk 11)

- channel view
- Added translations for previous commits
- Fix bug on signup_team email body

web/react/components/admin_console/ldap_settings.jsx

@@ -164,7 +164,7 @@ class LdapSettings extends React.Component {
                     <div className='banner__content'>
                         <FormattedHTMLMessage
                             id='admin.ldap.noLicense'
-                            defaultMessage='<h4 className="banner__heading">Note:</h4><p>LDAP is an enterprise feature. Your current license does not support LDAP. Click <a href="http://mattermost.com"target="_blank">here</a> for information and pricing on enterprise licenses.</p>'
+                            defaultMessage='<h4 class="banner__heading">Note:</h4><p>LDAP is an enterprise feature. Your current license does not support LDAP. Click <a href="http://mattermost.com"target="_blank">here</a> for information and pricing on enterprise licenses.</p>'
                         />
                     </div>
                 </div>