Fabric: Explicit clearing std::vector after moving from it

Summary: Apparently, the standard does not guarantee that the vector is empty after moving from it. So, let's clear it explicitly instead of asserting the emptiness.

Reviewed By: sahrens

Differential Revision: D12837227

fbshipit-source-id: 85dff6848707f4204f4c79be173064547e83c63e

ReactCommon/fabric/events/EventBeatBasedExecutor.cpp

@@ -62,7 +62,7 @@ void EventBeatBasedExecutor::onBeat(bool success) const {
     }
 
     tasks = std::move(tasks_);
-    assert(tasks_.size() == 0);
+    tasks_.clear();
   }
 
   for (const auto task : tasks) {

ReactCommon/fabric/events/EventQueue.cpp

@@ -35,7 +35,7 @@ void EventQueue::onBeat() const {
     }
 
     queue = std::move(queue_);
-    assert(queue_.size() == 0);
+    queue_.clear();
   }
 
   {