Disable toggle button

Author: bjarnef

packages/uui-color-picker/lib/uui-color-picker.element.ts

@@ -675,6 +675,7 @@ export class UUIColorPickerElement extends LabelMixin('label', LitElement) {
             this.lightness
           }%, ${this.alpha / 100})`,
         })}
+        ?disabled=${this.disabled}
         @click=${this.openColorPicker}
         aria-haspopup="true"
         aria-expanded="false"></button>