Better z-index comment

Author: ciampo

packages/components/src/custom-select-control-v2/styles.ts

@@ -112,8 +112,7 @@ export const SelectPopover = styled( Ariakit.SelectPopover )`
 	border-radius: 2px;
 	border: 1px solid ${ COLORS.theme.foreground };
 
-	/* Same as popover component */
-	/* TODO: is there a way to read the sass variable? */
+	/* z-index(".components-popover") */
 	z-index: 1000000;
 
 	max-height: min( var( --popover-available-height, 400px ), 400px );