Profiler reopens a blank window with ArgumentNullException errors when audio frame data is selected at the time of closing it.

Steps to repro:
1. Open the attached project.
2. Window > Analysis > Profiler > Play.
3. Select Frame in Audio View > Switch to Detailed view.
4. Click on Channels and Group.
5. Close the Profiler > Open profiler window again.

Actual Result:
Profiler appears blank on reopening.
ArgumentNullException errors in the console.

Expected Result:
Profiler should not appear blank on reopening.
No errors in the console.

Reproducible in:
2020.1.0a4, 2019.3.0b3.

Working Fine in:
2019.3.0b2.

Environment:
Windows & Mac 10.14.

Stack trace:
ArgumentNullException: Value cannot be null.
Parameter name: objectToOverwrite
UnityEditor.EditorJsonUtility.FromJsonOverwrite (System.String json, System.Object objectToOverwrite) (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditorInternal.Profiling.AudioProfilerModule.OnEnable (UnityEditorInternal.IProfilerWindowController profilerWindow) (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.ProfilerWindow.Initialize () (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.ProfilerWindow.InitializeIfNeeded () (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.ProfilerWindow.OnGUI () (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at <599589bf4ce248909b8a14cbe4a2034e>:0)
UnityEditor.HostView.Invoke (System.String methodName, System.Object obj) (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.HostView.Invoke (System.String methodName) (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.HostView.InvokeOnGUI (UnityEngine.Rect onGUIPosition, UnityEngine.Rect viewRect) (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.DockArea.DrawView (UnityEngine.Rect viewRect, UnityEngine.Rect dockAreaRect) (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEditor.DockArea.OldOnGUI () (at <55cdba1bd6e14fba9b722ea76fea516b>:0)
UnityEngine.UIElements.IMGUIContainer.DoOnGUI (UnityEngine.Event evt, UnityEngine.Matrix4x4 parentTransform, UnityEngine.Rect clippingRect, System.Boolean isComputingLayout, UnityEngine.Rect layoutSize, System.Boolean eventIsPropagatedFromNonFocusableVisualElement) (at <4de086c5606b4c82839c6ab31c5b881e>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)