Porting features from the original

[aghnu]

• [x] ghost panel
• [x] window snapping
• [x] when snapped, change window resizing behavior and disable resizing panel
• [x] track window action state - when resizing/moving, change pointer events respectively
• [x] animations on states
• [x] window operation - close, max, creation and add transition animation to it
• [x] action bar functionalities

[aghnu]

completed