docs: properly handle close event in simple modal story (#3004) (#3016)

src/modal/modal.stories.ts

@@ -169,7 +169,7 @@ const SimpleTemplate = (args) => ({
 	props: args,
 	template: `
 		<button #trigger cdsButton="primary" (click)="open = true">Open</button>
-		<cds-modal [open]="open" [trigger]="trigger" (overlaySelected)="open = false">
+		<cds-modal [open]="open" [trigger]="trigger" (overlaySelected)="open = false" (close)="open = false">
 			<cds-modal-header (closeSelect)="open = false" [showCloseButton]="showCloseButton">
 				<p class="cds--modal-header__label cds--type-delta">No service required</p>
 				<p class="cds--modal-header__heading cds--type-beta">A very simple modal</p>