Clicking on "Fix All" button in "HD Render Pipeline Wizard" doesn't open up "Load or Create HDRenderPipelineAsset" pop up when "Scriptable Render Pipeline Settings" from "Graphics Project Settings" is set to "None"

Steps to repro:
1. Create a new project with HDRP Template
2. Upgrade High Definition RP Package to 7.1.5
3. Edit > Project Settings > Graphics > Scriptable Render Pipeline Settings > None
4. Window > Render Pipeline > HD Render Pipeline Wizard
5. Click on "Fix All" button

Actual Result:
Clicking on "Fix All" button in "HD Render Pipeline Wizard" doesn't open up "Load or Create HDRenderPipelineAsset" pop up

Expected Result:
"HD Render Pipeline Wizard" window gets open up without any exceptions

Reproducible on:
2020.1.0a15

Working fine on:
2020.1.0a14, 2019.3.0f1

Package Found version: 7.1.5, 7.1.2, 7.1.1

Environment:
Windows 10 & macOS 10.14

Stack trace:
ArgumentNullException: Value cannot be null.
Parameter name: method
System.Linq.Expressions.Expression.Call (System.Linq.Expressions.Expression instance, System.Reflection.MethodInfo method, System.Collections.Generic.IEnumerable`1[T] arguments) (at <351e49e2a5bf4fd6beabb458ce2255f3>:0)
System.Linq.Expressions.Expression.Call (System.Linq.Expressions.Expression instance, System.Reflection.MethodInfo method, System.Linq.Expressions.Expression[] arguments) (at <351e49e2a5bf4fd6beabb458ce2255f3>:0)
UnityEditor.Rendering.HighDefinition.HDWizard+ObjectSelector..cctor () (at Library/PackageCache/com.unity.render-pipelines.high-definition@7.1.5/Editor/DefaultScene/HDWizard.UIElement.cs:46)
Rethrow as TypeInitializationException: The type initializer for 'ObjectSelector' threw an exception.
UnityEditor.Rendering.HighDefinition.HDWizard.FixHdrpAssetUsed (System.Boolean fromAsync) (at Library/PackageCache/com.unity.render-pipelines.high-definition@7.1.5/Editor/DefaultScene/HDWizard.Configuration.cs:227)
UnityEditor.Rendering.HighDefinition.HDWizard.<FixHdrpAsset>b__15_0 () (at Library/PackageCache/com.unity.render-pipelines.high-definition@7.1.5/Editor/DefaultScene/HDWizard.Configuration.cs:180)
UnityEditor.Rendering.HighDefinition.HDWizard+QueuedLauncher.Run () (at Library/PackageCache/com.unity.render-pipelines.high-definition@7.1.5/Editor/DefaultScene/HDWizard.Configuration.cs:128)
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <437ba245d8404784b9fbab9b439ac908>: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 <437ba245d8404784b9fbab9b439ac908>:0)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at <437ba245d8404784b9fbab9b439ac908>:0)
System.Delegate.DynamicInvokeImpl (System.Object[] args) (at <437ba245d8404784b9fbab9b439ac908>:0)
System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) (at <437ba245d8404784b9fbab9b439ac908>:0)
System.Delegate.DynamicInvoke (System.Object[] args) (at <437ba245d8404784b9fbab9b439ac908>:0)
UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at <1df4bfcafa864ca99de2ab91a95ebbc4>:0)