Don't emptify event.path after dispatching an event.

Source/core/events/EventPath.h

Index: Source/core/events/EventPath.h
diff --git a/Source/core/events/EventPath.h b/Source/core/events/EventPath.h
index 8a2f27841e0f1eabf161e5e255debb3a588791cb..89cab51bb7570a5d3be30ad20344704e469176f7 100644
--- a/Source/core/events/EventPath.h
+++ b/Source/core/events/EventPath.h
@@ -55,7 +55,7 @@ public:
 
     NodeEventContext& operator[](size_t index) { return m_nodeEventContexts[index]; }
     const NodeEventContext& operator[](size_t index) const { return m_nodeEventContexts[index]; }
-    const NodeEventContext& last() const { return m_nodeEventContexts[size() - 1]; }
+    NodeEventContext& last() { return m_nodeEventContexts[size() - 1]; }
 
     bool isEmpty() const { return m_nodeEventContexts.isEmpty(); }
     size_t size() const { return m_nodeEventContexts.size(); }