fix: add check for updating device with same token

Author: cybex-dev

CHANGELOG.md

@@ -3,6 +3,7 @@
 * Feat: [Web] Add Twilio Device [DeviceState] accessor protecting un/registration.
 * Feat: [Web] Add Twilio Device `updateToken(String)` function to allow updating of active device tokens.
 * Fix: [Web] Twilio Device does not unregister on `unregister()` method call due to 'device.off' not visible in js object causing device event listeners to remain attached on unregistered device.
+* Feat: [Web] Check unnecessary updating device with the same token. 
 * Feat: update example.
 * Docs: update CHANGELOG
 

lib/_internal/twilio_voice_web.dart

@@ -365,9 +365,13 @@ class TwilioVoiceWeb extends MethodChannelTwilioVoice {
     try {
       final shouldUpdate = device != null && getDeviceState(device!) == DeviceState.registered;
       if (shouldUpdate) {
+        if(device?.token == accessToken) {
+          printDebug("Device token is the same, no need to update");
+          return true;
+        }
         device!.updateToken(accessToken);
       } else {
-      /// opus set as primary code
+        /// opus set as primary code
       /// https://www.twilio.com/blog/client-javascript-sdk-1-7-ga
       List<String> codecs = ["opus", "pcmu"];
       twilio_js.DeviceOptions options = twilio_js.DeviceOptions(