had to unset the proxy manually from here

scenario 1
- start mycelium
- choose vpn node
- connect to vpn
- stop mycelium
result:
proxy isn't stopped
expected:
proxy gets unset
scenario 2
- when started the app again
- check vpn (needs to start mycelium)
- start mycelium
- doesn't show vpn is connected based on the first scenario status
had to unset the proxy manually from here

scenario 1
result:
proxy isn't stopped
expected:
proxy gets unset
scenario 2