fix(web): change twilio device.state js stub to getter

Author: cybex-dev

lib/_internal/js/device/device.dart

@@ -85,8 +85,8 @@ class Device extends Twilio {
 
   /// Get current call status, see [DeviceState]
   /// Documentation: https://www.twilio.com/docs/voice/sdks/javascript/twiliodevice#devicestate
-  @JS("status")
-  external String state();
+  @JS("state")
+  external String get state;
 
   /// Update the device's access token.
   /// Documentation: https://www.twilio.com/docs/voice/sdks/javascript/twiliodevice#deviceupdatetokentoken

lib/_internal/twilio_voice_web.dart

@@ -564,8 +564,7 @@ class TwilioVoiceWeb extends MethodChannelTwilioVoice {
   }
 
   DeviceState getDeviceState(twilio_js.Device device) {
-    final status = device.state();
-    return parseDeviceState(status);
+    return parseDeviceState(device.state);
   }
 }