[mirotalksfu] - add possibility to set default language for the room, improve brand section

public/js/Translate.js

@@ -6,5 +6,26 @@ script.setAttribute('src', 'https://translate.google.com/translate_a/element.js?
 document.head.appendChild(script);
 
 function googleTranslateElementInit() {
-    new google.translate.TranslateElement({ pageLanguage: 'en' }, 'google_translate_element');
+    new google.translate.TranslateElement(
+        {
+            pageLanguage: 'en',
+            autoDisplay: false,
+        },
+        'google_translate_element',
+    );
+
+    const interval = setInterval(() => {
+        const language = BRAND.app.language ? BRAND.app.language : 'en';
+
+        if (language === 'en') {
+            clearInterval(interval);
+        }
+
+        const select = document.querySelector('.goog-te-combo');
+        if (select) {
+            select.value = language;
+            select.dispatchEvent(new Event('change'));
+            clearInterval(interval);
+        }
+    }, 500);
 }