feat(web): allow ctrl-click / cmd-click on photos (#9954)

* feat(web): allow ctrl-click / cmd-click on photos

* fix: photo opening when deselected bug

* fix: consistent naming

* remove redundant code

* fix: disabled picture is clickable in "add to album" grid

* remove unnecessary code

* cleanup

* fix file permissions

* fix: album selection bug

* fix: stack slideshow bug & search gallery viewer bug

* cleanup

* fix dark mode stack slideshow bug

* cleanup

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

web/src/lib/components/asset-viewer/asset-viewer.svelte

@@ -740,6 +740,7 @@
                 readonly
                 thumbnailSize={stackedAsset.id == asset.id ? 65 : 60}
                 showStackedIcon={false}
+                isStackSlideshow={true}
               />
 
               {#if stackedAsset.id == asset.id}