Minor UI bug on available WIFIs listing

[iamacm]

What happened?

The background of the available wifi list is inconsistent. The background is fine after I hover them.

Steps To Reproduce

OS: MacOS High Sierra Version 10.13.6 (17G14042) Dark mode menu bar and dock

Software Version

10.13.6 (17G14042)

OS Version

10.13.6 (17G14042)

Relevant Log Output