also track replayId so we can dedupe unique objects

Author: ryan953

static/app/utils/analytics/replayAnalyticsEvents.tsx

@@ -8,7 +8,8 @@ export type ReplayEventParameters = {
     finished_at_delta: number; // Log the change (positive number==later date) in finished_at
     project_platform: string;
     replay_errors: number;
-    started_at_delta: number; // Log the change (negative number==earlier date) in finished_at
+    replay_id: string;
+    started_at_delta: number; // Log the change (negative number==earlier date) in started_at
     total_errors: number;
   };
   'replay.details-layout-changed': {

static/app/utils/replays/hooks/useLogReplayDataLoaded.tsx

@@ -35,6 +35,7 @@ function useLogReplayDataLoaded({fetchError, fetching, projectSlug, replay}: Pro
       total_errors: allErrors.length,
       started_at_delta: replay.timestampDeltas.startedAtDelta,
       finished_at_delta: replay.timestampDeltas.finishedAtDelta,
+      replay_id: replay.getReplay().id,
     });
   }, [organization, project, fetchError, fetching, projectSlug, replay]);
 }