Update marhun camera debugger

- Fix debugger by showing groupId of camera if the camera label is not
  available

public/js/marhun-photo-capture-debugger.js

@@ -13,9 +13,26 @@ function marhunPhotoCapturerDebugger() {
                 const generateCameraListing = (cameras) => {
                     let title = "Available cameras: ";
 
-                    let content = cameras.map((camera, index) => {
+                    let mapCameraWithDeviceId = (index, camera) => {
                         index = index + 1;
-                        return `${index}. ${camera.label}\n`;
+                        return `${index}. deviceLabel : ${camera.label}\n`;
+                    }
+
+                    let mapCameraWithGroupId = (index, camera) => {
+                        index = index + 1;
+                        return `${index}. groupId : ${camera.groupId}\n`;
+                    }
+
+                    let content = cameras.map((camera, index) => {
+                        if(camera.deviceId !== ''){
+                            return mapCameraWithDeviceId(index, camera);
+                        }
+
+                        if(camera.groupId !== ''){
+                            return mapCameraWithGroupId(index, camera);
+                        }
+
+
                     });
 
                     return `${title}\n${content.join('')}`;