* Make dialogs responsive for mobile devices
* Support mouse backward/forward buttons
* Use back icon to close layer 2 components on mobile devices
Currently layer 2 components are: 1. sidebar 2. notebook 3. dialogs
They are all fullscreen on mobile devices.
* Add translations
* Larger area to toggle header/footer bar
* Don't show rounded window on web platform
* Disable tooltips on mobile platforms as there is no mouse pointer
* Dedupe voices from web speech API
QP Hou