Winit Version 0.29.0-beta.0

• On Web, allow event loops to be recreated with spawn.
• Breaking: Rename Window::set_ime_position to Window::set_ime_cursor_area adding a way to set exclusive zone.
• On Android, changed default behavior of Android to ignore volume keys letting the operating system handle them.
• On Android, added EventLoopBuilderExtAndroid::handle_volume_keys to indicate that the application will handle the volume keys manually.
• Breaking: Rename DeviceEventFilter to DeviceEvents reversing the behavior of variants.
• Breaking: Rename EventLoopWindowTarget::set_device_event_filter to listen_device_events.
• On X11, fix EventLoopWindowTarget::listen_device_events effect being reversed.
• Breaking: Remove all deprecated modifiers fields.
• Breaking: Overhaul keyboard input handling.
  • Replace KeyboardInput with KeyEvent and RawKeyEvent.
    • Change WindowEvent::KeyboardInput to contain a KeyEvent.
    • Change Event::Key to contain a RawKeyEvent.
  • Remove Event::ReceivedCharacter. In its place, you should use
    KeyEvent.text in combination with WindowEvent::Ime.
  • Replace VirtualKeyCode with the Key enum.
  • Replace ScanCode with the KeyCode enum.
  • Rename ModifiersState::LOGO to SUPER and ModifiersState::CTRL to CONTROL.
  • Add KeyCode to refer to keys (roughly) by their physical location.
  • Add NativeKeyCode to represent raw KeyCodes which Winit doesn't
    understand.
  • Add Key to represent the keys after they've been interpreted by the
    active (software) keyboard layout.
  • Add NativeKey to represent raw Keys which Winit doesn't understand.
  • Add KeyLocation to tell apart Keys which usually "mean" the same thing,
    but can appear simultaneously in different spots on the same keyboard
    layout.
  • Add Window::reset_dead_keys to enable application-controlled cancellation
    of dead key sequences.
  • Add KeyEventExtModifierSupplement to expose additional (and less
    portable) interpretations of a given key-press.
  • Add KeyCodeExtScancode, which lets you convert between raw keycodes and
    KeyCode.
  • ModifiersChanged now uses dedicated Modifiers struct.
• On Orbital, fix ModifiersChanged not being sent.
• Breaking: CursorIcon is now used from the cursor-icon crate.
• Breaking: CursorIcon::Hand is now named CursorIcon::Pointer.
• Breaking: CursorIcon::Arrow was removed.
• On Wayland, fix maximized startup not taking full size on GNOME.
• On Wayland, fix initial window size not restored for maximized/fullscreened on startup window.
• On Wayland, Window::outer_size now accounts for client side decorations.
• On Wayland, fix window not checking that it actually got initial configure event.
• On Wayland, fix maximized window creation and window geometry handling.
• On Wayland, fix forward compatibility issues.
• On Wayland, add Window::drag_resize_window method.
• On Wayland, drop WINIT_WAYLAND_CSD_THEME variable.
• Implement PartialOrd and Ord on types in the dpi module.
• Breaking: Bump MSRV from 1.60 to 1.64.
• Breaking: On Web, the canvas output bitmap size is no longer adjusted.
• On Web: fix Window::request_redraw not waking the event loop when called from outside the loop.
• On Web: fix position of touch events to be relative to the canvas.
• On Web, fix Window:::set_fullscreen doing nothing when called outside the event loop but during
  a transient activation.
• On Web, fix pointer button events not being processed when a buttons is already pressed.
• Breaking: Updated bitflags crate version to 2, which changes the API on exposed types.
• On Web, handle coalesced pointer events, which increases the resolution of pointer inputs.
• Breaking: On Web, instant is now replaced by web_time.
• On Windows, port to windows-sys version 0.48.0.
• On Web, fix pen treated as mouse input.
• On Web, send mouse position on button release as well.
• On Web, fix touch input not gaining or loosing focus.
• Breaking: On Web, dropped support for Safari versions below 13.1.
• On Web, prevent clicks on the canvas to select text.
• On Web, EventLoopProxy now implements Send.
• On Web, Window now implements Send and Sync.
• Breaking: WindowExtWebSys::canvas() now returns an Option.
• On Web, use the correct canvas size when calculating the new size during scale factor change,
  instead of using the output bitmap size.
• On Web, scale factor and dark mode detection are now more robust.
• On Web, fix the bfcache by not using the beforeunload event and map bfcache loading/unloading to Suspended/Resumed events.
• On Web, fix scale factor resize suggestion always overwriting the canvas size.
• On macOS, fix crash when dropping Window.
• On Web, use Window.requestIdleCallback() for ControlFlow::Poll when available.
• Breaking: On Web, the canvas size is not controlled by Winit anymore and external changes to
  the canvas size will be reported through WindowEvent::Resized.
• On Web, respect EventLoopWindowTarget::listen_device_events() settings.
• On Web, fix DeviceEvent::MouseMotion only being emitted for each canvas instead of the whole window.
• On Web, add DeviceEvent::Motion, DeviceEvent::MouseWheel, DeviceEvent::Button and
  DeviceEvent::Key support.
• Breaking MouseButton now supports Back and Forward variants, emitted from mouse events
  on Wayland, X11, Windows, macOS and Web.