1. On creating "Scene Template" in the Project window causes the Editor to throw "Layout update is struggling to process current layout" error continuously.
2. Checkbox for "Pin in New Scene Dialog" is missing under Details in the Inspector.
3. "Pin in New Scene Dialog" text is flickering continuously on the hovering mouse on it, Refer attached video.

Steps to repro:
1. Create a new Project
2. Project window > Create > Scene Template

Actual Result:
"Layout update is struggling to process current layout" error is thrown continuously when Scene Template is created in the Project window

Expected Result:
Scene Template is created gracefully

Reproducible in:
2020.2.0b2

Working fine in
2020.2.0b1, 2020.1.4f1

Environment:
Occurring on Windows 10 & macOS 10.15.

Stack trace:
Layout update is struggling to process current layout (consider simplifying to avoid recursive layout): VisualElement unity-panel-container6 (x:0.00, y:0.00, width:544.00, height:349.00) world rect: (x:0.00, y:0.00, width:544.00, height:349.00)
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)