* Add cancel hint to Eyedropper tool
* Improve eyedropper overlay CSS
* Make CSS for transparent checkered background reusable
* Add color choice preview to color picker
* Draw text and markers as contrasting white or black
* Add reactive color updating and new/initial swapping
* Add Hex, RGB, HSV, and Opacity inputs
* Add none color and preset buttons
* Add eyedropper button and fix alignment (now visually done)
* Wire up none colors through the backend and style the ColorInput widget
* Add color info chip to ColorInput widget
* Fix all UX bugs
* Add more tooltips
* Fix FloatingMenu recursive loop
* Prevent mouse stray from closing color picker while dragging pickers
Closes#703
* Fix deselect all layers shortcut
* Add temporary eyedropper for Chromium browsers and a coming soon fallback
