NullReferenceException thrown on renaming newely created property in BlackBoard

Steps to repro:

1. Create a new Project in URP Template
2. Import Visual Effect Graph
3. Create a new VFX and open it in Editor
4. Create a new Property in BlackBoard
5. Rename the property node and press Enter

Expected Result:
The property name is changed

Actual Result:
Nullreference Exception thrown on renaming the Property node

Reproducible on: 10.0.0-preview.27 with 2020.2.0b5, 2020.2.0a21

Working fine on: 9.0.0-preview.54 with 2020.1.8f1

Environment: Windows 10 and Mac 10.15

Stack Trace:
NullReferenceException: Object reference not set to an instance of an object
UnityEditor.ShaderGraph.Drawing.BlackboardFieldView.InspectorUpdateTrigger () (at Library/PackageCache/com.unity.shadergraph@10.0.0-preview.27/Editor/Drawing/Blackboard/BlackboardFieldView.cs:91)
UnityEditor.ShaderGraph.Drawing.BlackboardProvider.EditTextRequested (UnityEditor.Experimental.GraphView.Blackboard blackboard, UnityEngine.UIElements.VisualElement visualElement, System.String newText) (at Library/PackageCache/com.unity.shadergraph@10.0.0-preview.27/Editor/Drawing/Blackboard/BlackboardProvider.cs:259)
UnityEditor.Experimental.GraphView.BlackboardField.OnEditTextFinished () (at <f3cbee11fcf24e738f9a6216ec699f5c>:0)
UnityEditor.Experimental.GraphView.BlackboardField.<.ctor>b__20_0 (UnityEngine.UIElements.FocusOutEvent e) (at <f3cbee11fcf24e738f9a6216ec699f5c>:0)
UnityEngine.UIElements.EventCallbackFunctor`1[TEventType].Invoke (UnityEngine.UIElements.EventBase evt) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventCallbackRegistry.InvokeCallbacks (UnityEngine.UIElements.EventBase evt) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.CallbackEventHandler.HandleEvent (UnityEngine.UIElements.EventBase evt) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatchUtilities.PropagateEvent (UnityEngine.UIElements.EventBase evt) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.DefaultDispatchingStrategy.DispatchEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcher.ApplyDispatchingStrategies (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, System.Boolean imguiEventIsInitiallyUsed) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEventQueue () (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcher.OpenGate () (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcherGate.Dispose () (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.EventDispatcher.Dispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, UnityEngine.UIElements.DispatchMode dispatchMode) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.BaseVisualElementPanel.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& eventHandled) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.UIEventRegistration.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.UIElements.UIEventRegistration+<>c.<.cctor>b__1_2 (System.Int32 i, System.IntPtr ptr) (at <17eda2bc62404501b9f55a9eba6f522e>:0)
UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& result) (at <931b26b61f444e3485195721b0227b20>:0)