[Feature]: Color picker enhancements

[jhmonroe]

Problem

• the little circle to pick a color from the gradient area doesn't allow you to click and move around like other color pickers. this would be useful. it only allows you to click once and it's impossible to pick fff in upper left corner for instance
• it would be good for this component to have alpha

Proposed solution

• the little circle to pick a color from the gradient area doesn't allow you to click and move around like other color pickers. this would be useful. it only allows you to click once and it's impossible to pick fff in upper left corner for instance
• it would be good for this component to have alpha

Alternatives considered

No response

Area

None