"Apply" button text gets overlap with a dropdown icon under the "Override" window when prefab has some changes, refer attached screenshot.

Steps To Reproduce:
1. Create a new project
2. Hierarchy > 3D Object > Cube
3. Select cube to view its properties in the inspector
4. Change Scale of a cube (X to 5) in the Inspector
5. Click on the Overrides button
6. Select Transform to open the context menu and observe

Actual Result:
Apply button text overlaps with dropdown icon

Expected Result:
Apply button text appears clearly without any overlaps

Reproducible in:
2020.1.0a8, 2019.3.0b6

Working fine on:
2020.1.0a7, 2019.3.0b5, 2019.2.6f1

Environment:
Windows 10, macOS 10.14 & Linux ubuntu 16.04 LTS