Clear after tracking

Author: buenaflor

flutter/lib/src/navigation/time_to_display_tracker.dart

@@ -34,10 +34,11 @@ class TimeToDisplayTracker {
     if (isRootScreen && didFetchAppStart == false) {
       // Dart cannot infer here that routeName is not nullable
       if (routeName == null) return;
-      return _trackAppStartTTD(routeName, arguments);
+      await _trackAppStartTTD(routeName, arguments);
     } else {
-      return _trackRegularRouteTTD(routeName, arguments, startTimestamp);
+      await _trackRegularRouteTTD(routeName, arguments, startTimestamp);
     }
+    _ttidTracker.clear();
   }
 
   /// This method listens for the completion of the app's start process via

flutter/lib/src/navigation/time_to_initial_display_tracker.dart

@@ -56,9 +56,6 @@ class TimeToInitialDisplayTracker {
     transaction.setMeasurement(ttidMeasurement.name, ttidMeasurement.value,
         unit: ttidMeasurement.unit);
     await ttidSpan.finish(endTimestamp: endTimestamp);
-
-    // We can clear the state after creating and finishing the ttid span has finished
-    clear();
   }
 
   Future<void> trackAppStart(ISentrySpan transaction, AppStartInfo appStartInfo,