EuiColorPicker option for inline color input

[thompsongl]

We'd probably have to use the inline version with an extra input they way the color stops popover does.

[...]

Something like:

Originally posted by @cchaos in #2629 (comment)

[thompsongl]

Currently, there is no option to render the "hex" input shown in the description without composing a couple components together.

We should provide a new prop to render a color input inline for implementations that use a swatch or custom button for the anchor and have no method of manual text input

[Ishaan28malik]

Hey is it still , open . I can work on this.

[cchaos]

Thanks for the interest @Ishaan28malik But we're working on this particular one internally as shown by the added assignee.