On maximizing any window, alignment of the Tiltlebar breaks, and also overlaps with window text

Steps to repro:
1. Create a new project.
2. Maximize any window(eg. Project Settings, Package Manager ) using the burger button or keyboard shortcut (shift+space)

Actual Result:
Window Titlebar is not aligned with the editor layout when the window is maximized

Expected Result:
Window is maximized without any overlaps

Reproducible in:
2019.3.0a12

Working fine in:
2019.3.0a11, 2019.2.1f1

Environment:
Windows 10 and macOS 10.14

Note: Refer attached screenshot