add empty option to start with empty field

templates/web/en/select_sp.tt2.html

@@ -107,6 +107,7 @@ $(function() {
         <label for="entityid">Type the name or entityID of Service Provider to test:</label>
         <br>
         <select id="entityid" name="entityid" class="required">
+            <option value=""></option>
             [% FOREACH entity IN metadata.sort('display_name') %]
             <option value="[% entity.entityid %]">[% IF entity.display_name %][% entity.display_name %] [% END %]([% entity.entityid %])</option>
             [% END %]

templates/web/fr/select_sp.tt2.html

@@ -107,6 +107,7 @@ $(function() {
         <label for="entityid">Entrez le nom ou l'identifiant (entityID) du fournisseur de service à tester:</label>
         <br>
         <select id="entityid" name="entityid" class="required">
+            <option value=""></option>
             [% FOREACH entity IN metadata.sort('display_name') %]
             <option value="[% entity.entityid %]">[% IF entity.display_name %][% entity.display_name %] [% END %]([% entity.entityid %])</option>
             [% END %]