feat(web): improve and refactor thumbnails (#2087)

* feat(web): improve and refactor thumbnails

* only play live photos on icon hover

web/src/lib/utils/time-to-seconds.ts

@@ -0,0 +1,13 @@
+import { Duration } from 'luxon';
+
+/**
+ * Convert time like `01:02:03.456` to seconds.
+ */
+export function timeToSeconds(time: string) {
+	const parts = time.split(':');
+	parts[2] = parts[2].split('.').slice(0, 2).join('.');
+
+	const [hours, minutes, seconds] = parts.map(Number);
+
+	return Duration.fromObject({ hours, minutes, seconds }).as('seconds');
+}