Override indicator (blue line) appears misaligned on Sprite Mask

Steps to reproduce:

1) Create a new project
2) Hierarchy > right-click > 2D >Sprite Mask
3) Drag and drop Sprite Mask into the Project
4) Check on Hierarchy > Sprite mask > Inspector > Sprite Mask > Custom Range
5) Change the values of Order in layer for Front and Back

Actual result: Observe that override indicator (blue line) appears misaligned on Order in Layer
Expected result: Override indicator (blue line) appears aligned in a single line on the left.

Occurring with:
2019.3.0a8, 2019.3.0a1

Working Fine on:
2019.2.0b8

Environment:
Windows and Mac