fix qr dialog having no closing animation in old dashboard links page

frontend/src/routes/(app)/dashboard/links/+page.svelte

@@ -332,9 +332,8 @@
 	{/if}
 {/await}
 
-{#if $page.state.linkQR}
-	<Dialog.Root
-		open
+<Dialog.Root
+	open={!!$page.state.linkQR}
 	onOpenChange={(open) => {
 		if (!open) {
 			history.back()
@@ -351,12 +350,10 @@
 			<LinkQRPage data={$page.state.linkQR} shallowRouting />
 		</ScrollArea>
 	</Dialog.Content>
-	</Dialog.Root>
-{/if}
+</Dialog.Root>
 
-{#if $page.state.projectLinkQR}
-	<Dialog.Root
-		open
+<Dialog.Root
+	open={!!$page.state.projectLinkQR}
 	onOpenChange={(open) => {
 		if (!open) {
 			history.back()
@@ -375,5 +372,4 @@
 				shallowRouting />
 		</ScrollArea>
 	</Dialog.Content>
-	</Dialog.Root>
-{/if}
+</Dialog.Root>