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.json

@@ -2,17 +2,17 @@
   "cookies": [
     {
       "name": "refresh_token",
-      "value": "GiDwb1pZ1oqvwzO16LokRkqIyCZ8nPJLzpzowwZRW-I",
+      "value": "K9dRbu3607bZL23pmoMCD8qGM697tnpfY-dYVJ7qXPU",
       "domain": "localhost",
       "path": "/api/auth",
-      "expires": 1782241425.893418,
+      "expires": 1782271324.066253,
       "httpOnly": true,
       "secure": true,
       "sameSite": "Strict"
     },
     {
       "name": "access_token",
-      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZUB0ZXN0LmNvbSIsInVzZXJfaWQiOiI0MzEwZGI1MC04NDJjLTQ2OWQtOTg4YS0wMzFjMTliMWMwM2YiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3NzQ0NjYzMjV9.5fn4UtlACnDCk2-O_n5f3HO9y1ksXDEnQjJl4TdJ-F4",
+      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZUB0ZXN0LmNvbSIsInVzZXJfaWQiOiJiMGFhNDczMC05ZDI4LTQ3NzQtODE3NC1kZTZmZWJkMjZjMmIiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3NzQ0OTYyMjR9.3RoSBnOU30YFn61lbfKo_ZMF2LQcsKb7qO31CK4AOl8",
       "domain": "localhost",
       "path": "/",
       "expires": -1,
@@ -27,11 +27,11 @@
       "localStorage": [
         {
           "name": "authSyncEvent",
-          "value": "{\"type\":\"logout\",\"at\":1774465425688}"
+          "value": "{\"type\":\"logout\",\"at\":1774495323817}"
         },
         {
           "name": "parentAuth",
-          "value": "{\"expiresAt\":1774638226066}"
+          "value": "{\"expiresAt\":1774668124255}"
         }
       ]
     }