Vertical slider handle is misaligned in the Bone Influence window and placed slightly to the right side from "Skinnig Editor", refer attached screenshots

Steps to repro:
1. Create a new project with 2D Template
2. Window > Package Manager > 2D Animation > Import Sample
3. Project window > search Boris .png > select
4. Inspector > Sprite Editor > Skinning Editor
5. Weight > Bone Influence > Bone Influences window

Actual Result:
Vertical Slider handle is not aligned with the center position and placed slightly to the right side

Expected Result:
Verticle Slider handle should be aligned

Occurring on:
2020.2.0a17, 2020.1.0b15, 2019.3.15f1, 2019.2.13f1, 2019.1.11f1, 2018.4.24f1

Package Found version: 5.0.0, 4.2.4, 4.0.0, 3.2.3, 3.0.2, 2.0.0-preivew.3

Environment:
Occurring on Windows 10 & macOS 10.15.