Steps:
1. Add an empty GameObject
2. Add AudioSource component (expanded)
3. Add one more AudioSource component
==>
The "Add Component" button should not be visible in Inspector
4. Drag GameObject to Project Browser to make a prefab asset
5. Double click on the prefab to open it
6. Select the Root GameObject
==>
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:418.00, height:1307.00) world rect: (x:0.00, y:0.00, width:418.00, height:1307.00)

Note: Take a look into attached movie for details

Repro: 2019.2.0a3 (35393104434b), 2019.1.0b2 (9de975e84abe)
Not Repro: 2018.3.3f1 (393bae82dbb8)