* Expose video driver options for Qt6
* Default to d3d11/metal/vulkan on Qt6
* Remove `pass`
* Add missing word to existing translation
* Default to OpenGL on Linux
* Exclude Vulkan from macOS
* Label default drivers
* Use horizontal orientation on browser splitter by default
* Add View menu action to toggle browser orientation
* Add shortcut for toggleOrientation action
based on the most popular add-on.
* Try to fix typing issue
* Make orientation respond to aspect ratio
aspect ratio < 1 means vertical orientation, >= 1 horizontal
* Implement three-way switch for browser orientation
* Fix typing
* Add separator before QWidgetAction
* Use submenu instead of widget and adjust enum
* Add accelerators; move non-accelerator strings into separate .ftl (dae)
* Move BrowserLayout to its own file (dae)
- This avoids the need for a separate screen, though we may want to
slightly fade out the display when information is stale.
- Means the browser can delay updates just like the main window does.
