refactor(ui): reuse inbox identifier formatting

Generated-By: PostHog Code
Task-Id: c1bbe3cf-742b-4b24-bf96-d11a18b4cf22

Author: richardsolomou

packages/ui/src/features/inbox/hooks/useReportTasks.ts

@@ -1,3 +1,4 @@
+import { humanizeIdentifier } from "@posthog/core/inbox/activityLog";
 import type {
   SignalReportStatus,
   Task,
@@ -19,11 +20,6 @@ export interface ReportTaskData {
   startedAt: string;
 }
 
-function humanizeIdentifier(value: string): string {
-  const words = value.replace(/[_-]+/g, " ").trim();
-  return words.charAt(0).toUpperCase() + words.slice(1);
-}
-
 function derivePurpose(taskRun: {
   product: string;
   type: string;