Revert previously set proxy settings on the connection

[ghost]

Is your feature request related to a problem? Please describe.
I'm using a proxy for certain software repositories that have blocked my network and from time to time I use Shadowsocks NX to access social media that are blocked in my country (and not enabled in the previously mentioned proxy!), now here's the problem: Whenever I turn on Shadowsocks proxy, it clears the HTTP/HTTPS proxy settings fields in my ethernet's properties and sets a Socks proxy for routing but after turning off Shadowsocks the previous settings I had manually set on are not reverted! And I have to do it all over again!

Describe the solution you'd like
Save any connection properties (to a file preferably so it can be retrieved even in the case of power loss or unexpected shutdowns) and revert them after turning off the Shadowsocks.

Describe alternatives you've considered
None! Do it manually all over again!

Additional context
Running on macOS Catalina 10.15.4

[Xenthio]

Bumping this so devs hopefully fix