Refactor the Palette component in ColorPicker to remove the Tailwind dependency for the colors.

[deepakjosp]

@praveen-murali-ind as per our discussion let's refactor the Palette component to avoid the tailwind dependency and implement a more straightforward and simple way similar to what the react-colorful has implemented for the color boxes.

This includes the change in the color list prop of the palette to an array of color values and using those instead of the color bg classes and gradient as an inline style. These are breaking changes, we will have to refactor the usages in NeetoDesk and NeetoWireframe.

cc: @josephmathew900

Originally posted by @deepakjosp in #2385 (comment)

[deepakjosp]

@josephmathew900 _a could you please assign this to someone to work on?

cc: @praveen-murali-ind

[deepakjosp]

@deepakjosp _a