Deprecate ColorPicker and move away from using DeprecatedDropdown #682
Description
🚀 Feature request
Reported in #680 (comment)
The ColorPicker is built using the now-deprecated Dropdown component (see #680). To be able to remove the component, it needs to be re-implemented using the Menu component, or another equivalent.
This is currently used for the channel colour picker in Twist:
Possible implementations
Reakit's menu supported two-dimensional menus using a CompositeGroup. It is likely this is still supported in Ariakit.