Dropdown.vue closeFromDoc causes constant Vue warning due to missing nullcheck while using Colorpicker form field

[Exarillion]

Description

When I use color picker with dev modeı, I constantly get "Uncaught runtime errors:" Vue warning.

Steps to reproduce

Run twill in dev mode.;
Create a block/model form with a color picker;
Open said form.
Pick a color using color picker.
Close the picker by clicking anywhere on the page.
Click once again anywhere on the page

This persist unless I refresh the page.
Elements get clicked but this pop up persist.

Expected result

No warning

Actual result

Vue warning pop-up stating there is a runtime error.

Versions

Database engine: MariaDB