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/react-remove-scroll/dist/es5/aggresiveCapture.js

@@ -0,0 +1,22 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.nonPassive = void 0;
+var passiveSupported = false;
+if (typeof window !== 'undefined') {
+    try {
+        var options = Object.defineProperty({}, 'passive', {
+            get: function () {
+                passiveSupported = true;
+                return true;
+            },
+        });
+        // @ts-ignore
+        window.addEventListener('test', options, options);
+        // @ts-ignore
+        window.removeEventListener('test', options, options);
+    }
+    catch (err) {
+        passiveSupported = false;
+    }
+}
+exports.nonPassive = passiveSupported ? { passive: false } : false;