Update languageselector.pt Template

use plone 6 icon resolver

src/plone/app/multilingual/browser/templates/languageselector.pt

@@ -1,32 +1,34 @@
 <tal:language tal:condition="view/available">
-<ul id="portal-languageselector"
-    tal:define="showFlags view/showFlags;
+  <ul
+      id="portal-languageselector"
+      tal:define="showFlags view/showFlags;
                 languages view/languages;
-                portal_url view/portal_url;">
+                portal_url view/portal_url;
+                icons python:context.restrictedTraverse('@@iconresolver');">
     <tal:language repeat="lang languages">
-    <li tal:define="code lang/code;
+      <li
+          tal:define="code lang/code;
                     selected lang/selected;
                     codeclass string:language-${code};
                     current python: selected and 'currentLanguage ' or '';"
-        tal:attributes="class string:${current}${codeclass}">
-        <a href=""
-           tal:define="flag lang/flag|nothing;
+          tal:attributes="class string:${current}${codeclass}">
+        <a
+            href=""
+            tal:define="flag lang/flag|nothing;
                        name lang/native|lang/name;
                        showflag python:showFlags and flag;"
-           tal:attributes="href lang/url;
-                           title name"
-            ><tal:flag condition="showflag">
-                <img width="14"
-                     height="11"
-                     alt=""
-                     tal:attributes="src string:${portal_url}${flag};
-                                     alt name;
-                                     title name;" />
-            </tal:flag
-            ><tal:nonflag condition="not: showflag"
-                          replace="name">language name</tal:nonflag
-        ></a>
-    </li>
+            tal:attributes="href lang/url;
+                           title name">
+          <tal:flag condition="showflag">
+            <tal:flag condition="showflag">
+              <img tal:replace="structure python:icons.tag(flag, tag_class='plone-icon-flag')" />
+            </tal:flag>
+          </tal:flag>
+          <tal:nonflag
+              condition="not: showflag"
+              replace="name">language name</tal:nonflag>
+        </a>
+      </li>
     </tal:language>
-</ul>
+  </ul>
 </tal:language>