Component UI overlaps each other when changing 'Inspector Window' to Debug mode

Steps to Repro:
1. Create a new project or open attached project
2. Hierarchy window > select main camera
3. Right-click on the inspector tab > select Debug
4. If the UI artifacts does not show up, stay in Debug mode and select other game objects.

Actual Result:
UI doesn't adjust instantly to display debug component fields, after
few seconds or by clicking inspector window UI adjusts properly

Occurs with:
2018.2.0a8, 2018.2.0a7, 2018.2.0a6, 2018.2.0a5, 2018.2.0a2

Working with:
2018.2.0a1, 2018.1.0b13

Environment:
Windows 10, Mac 10.13