[PM-26941] all caught up state for review card (#17164)

* add "All caught up!" state for application review card

- Display success state when all applications have been reviewed and no new applications need review
- Add iconColorClass input to activity-card component to support conditional icon colors (green checkmark for success state)
- Add i18n keys: allCaughtUp and noNewApplicationsToReviewAtThisTime
- Check if all apps have review dates via enrichedReportData$ to determine when to show the caught up state

* fix "Potential Race Condition with State Initialization" from claude issue and replace getter

apps/web/src/locales/en/messages.json

@@ -343,6 +343,12 @@
   "reviewNow": {
     "message": "Review now"
   },
+  "allCaughtUp": {
+    "message": "All caught up!"
+  },
+  "noNewApplicationsToReviewAtThisTime": {
+    "message": "No new applications to review at this time"
+  },
   "prioritizeCriticalApplications": {
     "message": "Prioritize critical applications"
   },