Search font is not readable for Searcher package . Refer the attached screenshot

Steps to reproduce:
1) Create new project
2) Window > Package Manager
3) Search and install "Searcher" Package
4) Searcher > Searcher Example window
5) In Search Window > Search "Pumpkin"

Actual result: Search font "Pumpkin" is not readable

Expected result: Search font should be easy to read

Occurring on: 2020.1.0a1, 2019.3.0a12

Environment: Both Windows and Mac

Note: Searcher package is introduced in 2019.3.0a12