UI/mobile keyboard and pwa popup fixes (#24610)

* ui: make mobile layout keyboard-aware via interactive-widget and dvh shell anchor

* ui: fix duplicate PWA refresh popup by scoping the storage check to non-PWA pages

tools/ui/src/lib/hooks/use-pwa.svelte.ts

@@ -53,6 +53,8 @@ export function usePwa() {
 	// This comparison detects server upgrades for non-PWA users.
 	$effect(() => {
 		if (!browser) return;
+		// PWA pages update via the service worker path; the storage check is the non-PWA fallback only
+		if (navigator.serviceWorker?.controller) return;
 
 		const currentVersion = versionStore.value;
 		if (!currentVersion) return;