feat(web): expand/collapse sidebar (#16768)

* feat: expand/collapse sidebar

* fix: general PR cleanup

- add skip link unit test
- remove unused tailwind styles
- adjust asset grid spacing
- fix event propogation

* fix: cleaning up event listeners

* fix: purchase modal and button on small screens

* fix: explicit tailwind classes

* fix: no animation on initial page load

* fix: sidebar spacing and reactivity

* chore: reverting changes to icons in nav and account info panel

* fix: remove left margin from the asset grid after merging in new timeline

* chore: extract search-bar changes for a separate PR

* fix: add margin to memories

web/src/lib/components/photos-page/asset-grid.svelte

@@ -726,7 +726,7 @@
   class={[
     'scrollbar-hidden h-full overflow-y-auto outline-none',
     { 'm-0': isEmpty },
-    { 'ml-4 tall:ml-0': !isEmpty },
+    { 'ml-0': !isEmpty },
     { 'mr-[60px]': !isEmpty && !usingMobileDevice },
   ]}
   tabindex="-1"