Store previous page for photo Viewer close button

src/routes/[country]/[location]/[photo].svelte

@@ -5,6 +5,7 @@
     import { scale } from 'svelte/transition'
     import { quartOut } from 'svelte/easing'
     import { getAssetUrlKey } from '$utils/helpers'
+    import { previousPage } from '$utils/stores'
     import { throttle } from '$utils/functions'
     import { swipe } from '$utils/interactions/swipe'
     import dayjs from 'dayjs'
@@ -220,7 +221,7 @@
 
         <ButtonCircle
             tag="a"
-            url="/{location.country.slug}/{location.slug}"
+            url={$previousPage ? $previousPage : `/${location.country.slug}/${location.slug}`}
             color="purple"
             class="viewer-photo__close shadow-box-dark"
         >