Fix selection on click in color area

Author: bjarnef

packages/uui-base/lib/utils/drag.ts

@@ -25,7 +25,9 @@ export const drag = (
     // TouchEvent is not available in Firefox
     if ('TouchEvent' in window && event instanceof TouchEvent) {
       pointerEvent = event.touches[0];
-    } else if (event instanceof PointerEvent) {
+    } else if (event instanceof MouseEvent) {
+      // Some browsers seems to return PointerEvent instead of MouseEvent for click event.
+      // We can use MouseEvent as PointerEvent inherits from MouseEvent.
       pointerEvent = event;
     } else {
       return;