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

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

web/src/lib/components/photos-page/asset-date-group.svelte

@@ -179,6 +179,7 @@
               on:mouse-event={() => assetMouseEventHandler(groupTitle, asset)}
               selected={$selectedAssets.has(asset) || $assetStore.albumAssets.has(asset.id)}
               selectionCandidate={$assetSelectionCandidates.has(asset)}
+              isMultiSelectState={$isMultiSelectState || isSelectionMode}
               disabled={$assetStore.albumAssets.has(asset.id)}
               thumbnailWidth={box.width}
               thumbnailHeight={box.height}