Add end-to-end tests for task assignment, modification, sorting, and child view updates

- Implement tests to verify that assigned titles display the correct child name in various chore and reward views.
- Create tests to ensure that child updates via SSE reflect correctly in the UI for task modifications, including point overrides and pending status resets.
- Add tests to validate the sorting order of tasks and rewards in both child and parent views, ensuring proper prioritization of pending, completed, and scheduled tasks.
- Introduce tests for scrolling behavior to ensure edited tasks are brought into view after modifications.

frontend/vue-app/e2e/.auth/user-cc.json

@@ -2,17 +2,17 @@
   "cookies": [
     {
       "name": "refresh_token",
-      "value": "8p4HLWbALh9Qwg9Znl1q8Z0Ohteik28-6H8Z5qWnaZo",
+      "value": "oQxjeMmAW3v4aoI_hBdjpMXThVDzKZTG_6bQGPJBokc",
       "domain": "localhost",
       "path": "/api/auth",
-      "expires": 1782241430.50454,
+      "expires": 1782271329.747941,
       "httpOnly": true,
       "secure": true,
       "sameSite": "Strict"
     },
     {
       "name": "access_token",
-      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS1jY0B0ZXN0LmNvbSIsInVzZXJfaWQiOiJiZWM5NTZiMi01MTZlLTQzZmQtYWUzYS1iZjNjN2RmNzA4M2QiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3NzQ0NjYzMzB9.5TdKuDgcuTmwvA7lQ4VOKXMwkviRNn24utyuWqD8IPA",
+      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS1jY0B0ZXN0LmNvbSIsInVzZXJfaWQiOiIyYjQ1MmRiNi1lYTRmLTQyMDItODIzYi0zNjllN2E3YTQ5MjYiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3NzQ0OTYyMjl9.docokOZYHgPtNNqirbfLSRABQHHsmTj-9_txuR8NHOM",
       "domain": "localhost",
       "path": "/",
       "expires": -1,
@@ -27,11 +27,11 @@
       "localStorage": [
         {
           "name": "authSyncEvent",
-          "value": "{\"type\":\"logout\",\"at\":1774465430181}"
+          "value": "{\"type\":\"logout\",\"at\":1774495329388}"
         },
         {
           "name": "parentAuth",
-          "value": "{\"expiresAt\":1774638230733}"
+          "value": "{\"expiresAt\":1774668130069}"
         }
       ]
     }