handle server detect lang message firefox

Audio-Transcription-Firefox/background.js

@@ -11,4 +11,3 @@ browser.runtime.onMessage.addListener(function(request, sender, sendResponse) {
       });
   }
 });
-

Audio-Transcription-Firefox/content.js

@@ -2,7 +2,8 @@ let socket = null;
 let isCapturing = false;
 let mediaStream = null;
 let audioContext = null;
-let scriptProcessor = null; 
+let scriptProcessor = null;
+let language = null;
 
 /**
  * Resamples the audio data to a target sample rate of 16kHz.
@@ -56,7 +57,14 @@ function startRecording(data) {
         isServerReady = true;
         return;
       }
-      const data = event.data;
+
+      if (language === null ){
+        const data = JSON.parse(event.data);
+        language = data["language"];
+        return
+      }
+
+      const data = event.data;;
       browser.runtime.sendMessage({ action: "transcript", data })
           .catch(function(error) {
             console.error("Error sending message:", error);

Audio-Transcription-Firefox/popup.js

@@ -6,7 +6,7 @@ document.addEventListener("DOMContentLoaded", function() {
   const useMultilingualCheckbox = document.getElementById('useMultilingualCheckbox');
   const languageDropdown = document.getElementById('languageDropdown');
   const taskDropdown = document.getElementById('taskDropdown');
-  let selectedLanguage = undefined;
+  let selectedLanguage = null;
   let selectedTask = taskDropdown.value;
 
   browser.storage.local.get("capturingState")