feat: redesign Exams List page to show submitted custom exams

- Added Custom Exams tab showing all exams from Generation page
- Displays title, module badges, duration, and status
- Added Create Exam button
- Kept Exam Sessions tab for institutional sessions
- Search filters across exams

Made-with: Cursor

node_modules/date-fns/setHours.mjs

@@ -0,0 +1,30 @@
+import { toDate } from "./toDate.mjs";
+
+/**
+ * @name setHours
+ * @category Hour Helpers
+ * @summary Set the hours to the given date.
+ *
+ * @description
+ * Set the hours to the given date.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ *
+ * @param date - The date to be changed
+ * @param hours - The hours of the new date
+ *
+ * @returns The new date with the hours set
+ *
+ * @example
+ * // Set 4 hours to 1 September 2014 11:30:00:
+ * const result = setHours(new Date(2014, 8, 1, 11, 30), 4)
+ * //=> Mon Sep 01 2014 04:30:00
+ */
+export function setHours(date, hours) {
+  const _date = toDate(date);
+  _date.setHours(hours);
+  return _date;
+}
+
+// Fallback for modularized imports:
+export default setHours;