Replacing color of layer color guide seemingly not working

[Boldline]

I was testing to see if I replaced the color of the layer color guide in the "replace color" panel, if the preview inside the panel would work and show the changed color and then also after confirming the changes and the color did not update.

I tried it with and without spot colors and it did not work in either way.

Here is a link of a video of me attempting this

[VectorStyler]

@Boldline I opened a bug on this.