chore: migrate away from event dispatcher (#12820)

web/src/routes/(user)/map/[[photos=photos]]/[[assetId=id]]/+page.svelte

@@ -122,9 +122,9 @@
         <AssetViewer
           asset={$viewingAsset}
           showNavigation={viewingAssets.length > 1}
-          on:next={navigateNext}
-          on:previous={navigatePrevious}
-          on:close={() => {
+          onNext={navigateNext}
+          onPrevious={navigatePrevious}
+          onClose={() => {
             assetViewingStore.showAssetViewer(false);
             handlePromiseError(navigate({ targetRoute: 'current', assetId: null }));
           }}
@@ -137,11 +137,11 @@
   {#if showSettingsModal}
     <MapSettingsModal
       settings={{ ...$mapSettings }}
-      on:close={() => (showSettingsModal = false)}
-      on:save={async ({ detail }) => {
-        const shouldUpdate = !isEqual(omit(detail, 'allowDarkMode'), omit($mapSettings, 'allowDarkMode'));
+      onClose={() => (showSettingsModal = false)}
+      onSave={async (settings) => {
+        const shouldUpdate = !isEqual(omit(settings, 'allowDarkMode'), omit($mapSettings, 'allowDarkMode'));
         showSettingsModal = false;
-        $mapSettings = detail;
+        $mapSettings = settings;
 
         if (shouldUpdate) {
           mapMarkers = await loadMapMarkers();