fix

Author: apolukhin

footer.js

@@ -49,10 +49,12 @@ waitForElm('#MSearchField').then((elm) => {
     init_search_hotkey();
     init_search_observer();
 
-    init_header();
+    waitForElm('doxygen-awesome-dark-mode-toggle').then((elm) => {
+        init_header();
 
-    addLinks();
-    changeTelegramChannelLanguageForRussianSpeakingUser();
+        addLinks();
+        changeTelegramChannelLanguageForRussianSpeakingUser();
+    });
 });
 
 const isLanding = document.getElementById('landing_logo_id') !== null;