Color picker for icon-color selection

## Prerequisites

* Version: 4.24.1
* Are you running from source/master: website
* Are you using a released build: Yes
* Operating system: Windows
* Bits: 64

## Step to reproduce

* Go to the URL [https://feathericons.com/](https://feathericons.com/)
* Try to change the color of icons. It displays the textbox to input the HEX code, it would be nice to have a color picker to change the icon-color.

### Actual behavior
* Instead of the textbox, it would be nice to select a color from picker.

## Any message or error

NA

## Resources

NA

Start at the icon color control on https://feathericons.com/ and inspect how the existing HEX textbox changes icon colors. The work is done when users can select a color with a picker and the displayed icons update accordingly; verify that the existing color-selection behavior still works.

Written by the indexing model from the issue text.