IdpDisco: make sorting case insensitive and apply it also to the 'links' variant

templates/selectidp-dropdown.php

@@ -34,7 +34,7 @@ foreach ($this->data['idplist'] as $idpentry) {
         <select id="dropdownlist" name="idpentityid">
             <?php
             usort($this->data['idplist'], function ($idpentry1, $idpentry2) {
-                return strcmp(
+                return strcasecmp(
                     $this->t('idpname_'.$idpentry1['entityid']),
                     $this->t('idpname_'.$idpentry2['entityid'])
                 );

templates/selectidp-links.php

@@ -34,6 +34,12 @@ foreach ($this->data['idplist'] as $idpentry) {
             }
             ?></p>
 <?php
+        usort($this->data['idplist'], function ($idpentry1, $idpentry2) {
+            return strcasecmp(
+                $this->t('idpname_'.$idpentry1['entityid']),
+                $this->t('idpname_'.$idpentry2['entityid'])
+            );
+        });
         if (!empty($this->data['preferredidp']) &&
             array_key_exists($this->data['preferredidp'], $this->data['idplist'])
         ) {