chore(web): context menu improvements (#10475)

- ability to add custom hover colors
- migrate activity menu to ButtonContextMenu component
- onClick callbacks rather than events for menu options
- remove slots
- configurable menu option colors
- improve menu option layout

web/src/lib/components/photos-page/actions/favorite-action.svelte

@@ -58,7 +58,7 @@
 </script>
 
 {#if menuItem}
-  <MenuOption {text} {icon} on:click={handleFavorite} />
+  <MenuOption {text} {icon} onClick={handleFavorite} />
 {/if}
 
 {#if !menuItem}