fix(deviceChange):Dont create video track if muted

conference.js

@@ -2604,6 +2604,20 @@ export default {
         // https://bugs.chromium.org/p/chromium/issues/detail?id=997689
         const hasDefaultMicChanged = newDevices.audioinput === 'default';
 
+        // This is the case when the local video is muted and a preferred device is connected.
+        if (requestedInput.video && this.isLocalVideoMuted()) {
+            // We want to avoid creating a new video track in order to prevent turning on the camera.
+            requestedInput.video = false;
+            APP.store.dispatch(updateSettings({ // Update the current selected camera for the device selection dialog.
+                cameraDeviceId: newDevices.videoinput
+            }));
+            delete newDevices.videoinput;
+
+            // Removing the current video track in order to force the unmute to select the preferred device.
+            this.useVideoStream(null);
+
+        }
+
         promises.push(
             mediaDeviceHelper.createLocalTracksAfterDeviceListChanged(
                     createLocalTracksF,