New: Rework List sync interval logic

* New: Rework List sync interval logic

Fixes #5011

frontend/src/Utilities/Date/formatShortTimeSpan.js

@@ -0,0 +1,25 @@
+import moment from 'moment';
+
+function formatShortTimeSpan(timeSpan) {
+  if (!timeSpan) {
+    return '';
+  }
+
+  const duration = moment.duration(timeSpan);
+
+  const hours = Math.floor(duration.asHours());
+  const minutes = Math.floor(duration.asMinutes());
+  const seconds = Math.floor(duration.asSeconds());
+
+  if (hours > 0) {
+    return `${hours} hour(s)`;
+  }
+
+  if (minutes > 0) {
+    return `${minutes} minute(s)`;
+  }
+
+  return `${seconds} second(s)`;
+}
+
+export default formatShortTimeSpan;